Vivitar 28mm F/2.8 MC Close Focus

Wide-angle prime lens • Film era • Discontinued

Abbreviations

MC Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models.

Model history (4)

Vivitar 28mm F/2.8 Auto "Chrome Nose"A8 - ?⌀52 1966 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2.8 MC Close Focus (s/n 28xxxxxx)A5 - 50.23m⌀49

Features highlight

Fast
MF
Auto
Compact
Lightweight
⌀49
filters

Specification

Production details:
Announced:<No data>
Production status: Discontinued
Original name:Vivitar 28MM 1:2.8 MC CLOSE FOCUS WIDE ANGLE
System:-
Optical design:
Focal length:28mm
Speed:F/2.8
Maximum format:35mm full frame
Mount and Flange focal distance:Canon FD [42mm]
Contax/Yashica [45.5mm]
Konica AR [40.5mm]
M42 [45.5mm]
Minolta SR [43.5mm]
Nikon F [46.5mm]
Olympus OM [46mm]
Pentax K [45.5mm]
Diagonal angle of view:75.4°
Lens construction:5 elements in 5 groups
On Nikon D APS-C [1.53x] cameras:
35mm equivalent focal length:42.8mm (in terms of field of view)
35mm equivalent speed:F/4.3 (in terms of depth of field)
Diagonal angle of view:53.6°
On Pentax K APS-C [1.53x] cameras:
35mm equivalent focal length:42.8mm (in terms of field of view)
35mm equivalent speed:F/4.3 (in terms of depth of field)
Diagonal angle of view:53.6°
Diaphragm mechanism:
Diaphragm type:Automatic
Aperture control:Aperture ring (with or without Auto Exposure setting)
Number of blades:6 (six)
Focusing:
Closest focusing distance:0.23m
Magnification ratio:1:5 at the closest focusing distance
Focusing modes:Manual focus only
Manual focus control:Focusing ring
Physical characteristics:
Weight:165g (mount not specified)
Maximum diameter x Length:⌀?×38.5mm (mount not specified)
Accessories:
Filters:Screw-type 49mm
Lens hood:<No data>
Teleconverters:<No data>
Sources of data:
1. Manufacturer's technical data.
2. Vivitar Auto Fixed Mount Lenses booklet.

Manufacturer description

Compact, lightweight and economically priced, this is one of the most popular lenses in the Vivitar range. Sophisticated optical design ensures extremely high contrast and a short, smooth focusing action. A versatile lens that deserves a place in any outfit.

From the editor

Listed in the "Vivitar Auto Fixed Mount Lenses" booklet (year unknown) along with the 17/3.5 ⌀67, 24/2.8, 28-70/3.5-4.8, 28-200/3.5-5.3, 70-210/4.5-5.6, 70-300/4.2-5.8, 120-600/5.6-8.

Notes

  • Independent-brand lenses were made for 35mm film SLR cameras by companies that competed with the camera manufacturers. Some came from factories that made lenses under their own brand names (Angenieux, Kiron, Sigma, Tamron, Tokina). Many others were national and international marketing organizations (Kalimar, Panagor, Rokunar, Soligor, Starblitz) that bought lenses from anonymous manufacturers. One firm — Vivitar — actually designed its own lenses and accessories, which were then subcontracted to manufacturing firms. Still others were private labels, sold only by specific photo specialty shops (Cambron, Quantaray, Spiratone).
  • The actual manufacturer of a Vivitar lens can be identified by the first digits of the serial number: 09 - Cosina, 13 - Schneider-Kreuznach, 19 - Sigma, 22 - Kino Precision Industries, 25 - Ozone Optical, 28 - Komine, 32 - Makina Optical, 33 - Asanuma, 37 - Tokina, 42 - Eugen Bauer, 44 - Perkin Elmer, 47 - Chinon, 51 - Tokyo Trading, 56 - Kyoe Shoji, 61 - Samyang, 6x - Olympus, 75 - Hoya, 77 - Kobori, 81 - Polar, 9x - Cosina. This numbering system, however, was used by Vivitar only between 1969 and 1991 (approx.).
  • This Vivitar lens has s/n 28xxxxxx, therefore it was produced by Komine.

Lenses with similar focal length

Sorted by manufacturer name

M42 mount (80)
Asahi Super-Takumar 24mm F/3.5 [43961]A9 - 80.25m⌀58 1967 
Asahi Super-Takumar 28mm F/3.5 [43871]A7 - 70.40m⌀49 1966 
Asahi Super-Takumar 28mm F/3.5 [348, 43480, 43481]A7 - 60.40m⌀58 1962 
Asahi Super-Multi-Coated Takumar 24mm F/3.5 [43962]A9 - 80.25m⌀58 1972 
Asahi Super-Multi-Coated Takumar 28mm F/3.5 [43872]A7 - 70.40m⌀49 1971 
Chinar 28mm F/2.8 [M.C]A8 - 60.45m⌀52
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Cosina Auto Cosinon 28mm F/2.8 MC
aka Porst Super Weitwinkel 28mm F/2.8 autoN
aka Porst Super-WW 28mm F/2.8 MC Auto G
A8 - 60.40m⌀58
Enna Munchen Ultra-Lithagon 28mm F/3.5 [C] Type 1P6 - 60.30m⌀52 1955 
Enna Munchen Lithagon 24mm F/4P7 - 70.25m⌀52 1960 
Enna Munchen Lithagon 28mm F/3.5 Type 2P6 - 60.30m⌀52
Fuji Photo Film [EBC] Fujinon-SW 28mm F/3.5A7 - 70.40m⌀49 1970 
Fuji Photo Film EBC Fujinon-SW 24mm F/2.8A9 - 80.30m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Auto Mamiya/Sekor 28mm F/2.8 for TLA7 - 60.45m⌀58 1966 
Auto Mamiya/Sekor SX 28mm F/2.8A7 - 70.30m⌀58 1974 
Auto Mamiya/Sekor 28mm F/2.8 for DTLA7 - 60.30m⌀58
Mamiya-Sekor 28mm F/2.8 for CPP7 - 5⌀58
Meyer-Optik Gorlitz Orestegon 29mm F/2.8A7 - 70.25m⌀55 1966 
Meyer-Optik Gorlitz Lydith 30mm F/3.5P5 - 50.33m⌀49 1963 
Olympus G.Zuiko Auto-W 28mm F/3.5 for FTLA7 - 70.25m⌀49 1970 
P. Angenieux Paris 28mm F/3.5 [Retrofocus] Type R11M6 - 6S.IX 1953 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto Type 1A8 - 70.30m⌀62
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Pentacon 30mm F/3.5P5 - 50.33m⌀49 1971 
Pentacon 29mm F/2.8 auto / electric MCA7 - 70.25m⌀55
Pentacon 29mm F/2.8 auto / electricA7 - 70.25m⌀55 1971 
Ricoh Rikenon 24mm F/2.8A10 - 80.20m⌀62
Ricoh Auto Rikenon 28mm F/2.8A7 - 60.30m⌀58
Ricoh Auto Rikenon 28mm F/2.8 EEA7 - 60.30m⌀58
Ricoh Auto Rikenon 28mm F/2.8 PA? - ?0.30m
Schneider-Kreuznach Curtagon 28mm F/4 Type 1A7 - 60.28mS.VII 1958 
Schneider-Kreuznach Curtagon 28mm F/4 Type 2A7 - 60.25m⌀49 1966 
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 28mm F/2.5 Auto "Bright Band" (s/n 22xxxxxx)A8 - 70.30m⌀62 1968 
Vivitar 28mm F/2.8 Auto "Chrome Nose"A8 - ?⌀52 1966 
Yashica Auto Yashinon-DS 28mm F/2.8A8 - 70.30m⌀52
Yashica Auto Yashinon-DX 28mm F/2.8A8 - 7 1967 
Yashica Auto Yashinon DS-M 24mm F/2.8A9 - 80.30m⌀62
Yashica Auto Yashinon DS-M 28mm F/2.8A8 - 70.30m⌀52
Yashica Auto Yashikor 28mm F/2.8A7 - 60.30m⌀62
Carl Zeiss Classic Distagon T* 25mm F/2.8 ZF / ZF.2 / ZK / ZSA10 - 80.17mE58 2006 
Carl Zeiss Distagon [HFT] 25mm F/2.8
aka OPTON Oberkochen Di HFT 25mm F/2.8
aka Rollei-HFT Distagon 25mm F/2.8
aka Voigtlander Color-Skoparex 25mm F/2.8
A8 - 70.25mE49 1970 
Carl Zeiss Distagon 25mm F/4A7 - ?0.20mB50 1972 
Carl Zeiss Jena DDR Flektogon 25mm F/4A7 - 60.20mE77 1960 
Canon FD mount (59)
Canon FD 24mm F/1.4 S.S.C. AsphericalA10 - 80.30m⌀72 1975 
Canon FD 24mm F/2.8A9 - 80.30m⌀55 1971 
Canon FD 24mm F/2.8 S.S.C.A9 - 80.30m⌀55 1973 
Canon FD 28mm F/2 S.S.C.A9 - 80.30m⌀55 1975 
Canon FD 28mm F/2.8 S.C.A7 - 70.30m⌀55 1975 
Canon FD 28mm F/3.5A7 - 70.40m⌀55 1971 
Canon FD 28mm F/3.5 S.C.A6 - 60.40m⌀55 1973 
Canon FDn 24mm F/1.4LA10 - 80.30m⌀72 1979 
Canon FDn 24mm F/2A11 - 90.30m⌀52 1979 
Canon FDn 24mm F/2.8A10 - 90.30m⌀52 1979 
Canon FDn 28mm F/2A10 - 90.30m⌀52 1979 
Canon FDn 28mm F/2.8A7 - 70.30m⌀52 1979 
Chinar 28mm F/2.8 [M.C]
aka Hanimex Automatic 28mm F/2.8
A7 - 70.40m⌀52
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
Vivitar 28mm F/2.8 MC (s/n 9xxxxxxx)A5 - 50.23m⌀49
Minolta SR mount (75)
Chinar 28mm F/2.8 [M.C]
aka Hanimex Automatic 28mm F/2.8
A7 - 70.40m⌀52
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Minolta MC W.Rokkor-SI 24mm F/2.8A9 - 70.30m⌀55 1973 
Minolta MD 24mm F/2.8A8 - 80.25m⌀49 1981 
Minolta MC VFC Rokkor 24mm F/2.8A9 - 70.30m⌀55 1975 
Minolta MD W.Rokkor 28mm F/2A10 - 90.30m⌀55 1977 
Minolta MD 28mm F/2A9 - 90.30m⌀49 1981 
Minolta MC W.Rokkor-SI 28mm F/2.5A9 - 70.50m⌀55 1969 
Minolta MC W.Rokkor 24mm F/2.8A9 - 70.30m⌀55 1975 
Minolta MD W.Rokkor 24mm F/2.8A9 - 70.30m⌀55 1977 
Minolta MD W.Rokkor 24mm F/2.8A9 - 70.30m⌀55 1978 
Minolta MD W.Rokkor 24mm F/2.8A9 - 70.30m⌀55 1978 
Minolta MD VFC Rokkor 24mm F/2.8A9 - 70.30m⌀55 1977 
Minolta MD VFC 24mm F/2.8A9 - 70.30m⌀55 1982 
Minolta MC W.Rokkor 28mm F/2A10 - 90.30m⌀55 1975 
Minolta MC W.Rokkor[-SI] 28mm F/2.5A9 - 70.50m⌀55 1973 
Minolta MC W.Rokkor 28mm F/2.8A7 - 70.30m⌀55 1974 
Minolta MD W.Rokkor 28mm F/2.8A7 - 70.30m⌀55 1977 
Minolta MD W.Rokkor 28mm F/2.8A7 - 70.30m⌀49 1978 
Minolta MD 28mm F/2.8A7 - 70.30m⌀49 1981 
Minolta MD 28mm F/2.8A5 - 50.30m⌀49 1983 
Minolta Auto W.Rokkor-SG 28mm F/3.5A7 - 70.60m⌀67 1963 
Minolta MC W.Rokkor-SG 28mm F/3.5A7 - 70.60m⌀67 1966 
Minolta MC W.Rokkor-SG 28mm F/3.5A7 - 70.60m⌀55 1968 
Minolta MC W.Rokkor[-SG] 28mm F/3.5A7 - 70.60m⌀55 1973 
Minolta MC W.Rokkor 28mm F/3.5A5 - 50.30m⌀55 1975 
Minolta MD W.Rokkor 28mm F/3.5A5 - 50.30m⌀55 1977 
Minolta MD W.Rokkor 28mm F/3.5A5 - 50.30m⌀49 1978 
Minolta MD 28mm F/3.5A5 - 50.30m⌀49 1981 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto Type 1A8 - 70.30m⌀62
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 28mm F/2.5 Auto "Bright Band" (s/n 22xxxxxx)A8 - 70.30m⌀62 1968 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
Nikon F mount (77)
Chinar 28mm F/2.8 [M.C]
aka Hanimex Automatic 28mm F/2.8
A7 - 70.40m⌀52
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina Voigtlander Color-Skopar 28mm F/2.8 Aspherical SL II NPancake lensA7 - 60.22m⌀52 2012 
Cosina Voigtlander Color-Skopar 28mm F/2.8 Aspherical SL II SA7 - 60.15m⌀52 2021 
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Irix 30mm F/1.4A13 - 110.34m⌀86 2021 
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Nikon AI-S Nikkor 24mm F/2.8A9 - 90.30m⌀52 1981 
Nikon AI-S Nikkor 28mm F/2.8A8 - 80.20m⌀52 1981 
Nikon AI-S Nikkor 24mm F/2A11 - 100.30m⌀52 1981 
Nikon AI-S Nikkor 28mm F/2A9 - 80.25m⌀52 1981 
Nikon AI-S Nikkor 28mm F/3.5A6 - 60.30m⌀52 1981 
Nikon Series E 28mm F/2.8A5 - 50.30m⌀52 1979 
Nikon Nikkor-N[·C] Auto 24mm F/2.8A9 - 70.30m⌀52 1967 
Nikon Nikkor 24mm F/2.8A9 - 70.30m⌀52 1975 
Nikon AI Nikkor 24mm F/2.8A9 - 90.30m⌀52 1977 
Nikon AI Nikkor 24mm F/2A11 - 100.30m⌀52 1977 
Nikon Nikkor-H Auto 28mm F/3.5A6 - 60.60m⌀52 1960 
Nikon Nikkor-H[·C] Auto 28mm F/3.5A6 - 60.60m⌀52 1968 
Nikon Nikkor 28mm F/3.5A6 - 60.30m⌀52 1975 
Nikon AI Nikkor 28mm F/3.5A6 - 60.30m⌀52 1977 
Nikon Nikkor 28mm F/2.8A7 - 70.30m⌀52 1974 
Nikon AI Nikkor 28mm F/2.8A7 - 70.30m⌀52 1977 
Nikon Nikkor-N[·C] Auto 28mm F/2A9 - 80.30m⌀52 1970 
Nikon Nikkor 28mm F/2A9 - 80.30m⌀52 1975 
Nikon AI Nikkor 28mm F/2A9 - 80.30m⌀52 1977 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto Type 1A8 - 70.30m⌀62
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Samyang 24mm F/1.4 ED AS UMC
aka Bower 24mm F/1.4 ED AS UMC
aka Rokinon 24mm F/1.4 ED AS UMC
aka Walimex Pro 24mm F/1.4 ED AS UMC
13 - 120.25m⌀77 2011 
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 28mm F/2.5 Auto "Bright Band" (s/n 22xxxxxx)A8 - 70.30m⌀62 1968 
Vivitar 28mm F/2.8 Auto "Chrome Nose"A8 - ?⌀52 1966 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
Carl Zeiss Classic Distagon T* 25mm F/2 ZE / ZF / ZF.2A11 - 100.25mE67 2011 
Carl Zeiss Classic Distagon T* 28mm F/2 ZE / ZF / ZF.2A10 - 80.24mE58 2007 
Carl Zeiss Classic Distagon T* 25mm F/2.8 ZF / ZF.2 / ZK / ZSA10 - 80.17mE58 2006 
ZEISS Otus Apo Distagon T* 28mm F/1.4 ZE / ZF.2A16 - 130.30mE95 2015 
ZEISS Milvus Distagon T* 25mm F/1.4 ZE / ZF.2A15 - 130.25mE82 2017 
Olympus OM mount (52)
Chinar 28mm F/2.8 [M.C]
aka Hanimex Automatic 28mm F/2.8
A7 - 70.40m⌀52
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Olympus OM Zuiko [MC] Auto-W 24mm F/2A10 - 80.25m⌀55 1972 
Olympus OM H.Zuiko [MC] Auto-W 24mm F/2.8A8 - 70.25m⌀49 1972 
Olympus OM Zuiko [MC] Auto-W 28mm F/2A9 - 80.30m⌀49 1972 
Olympus OM Zuiko [MC] Auto-W 28mm F/2.8A6 - 60.30m⌀49 1983 
Olympus OM G.Zuiko [MC] Auto-W 28mm F/3.5A7 - 70.30m⌀49 1972 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
Vivitar 28mm F/2.8 MC (s/n 9xxxxxxx)A5 - 50.23m⌀49
Pentax K mount (71)
Chinar 28mm F/2.8 [M.C]
aka Hanimex Automatic 28mm F/2.8
A7 - 70.40m⌀52
Auto Chinon 28mm F/2.8 MC
aka Agfa Color 28mm F/2.8 MC
A7 - 70.30m⌀49
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Cosina Cosinon-W 28mm F/2 MC
aka Petri 28mm F/2 MC
A8 - 70.30m⌀49 1981 
Cosina Cosinon-W 24mm F/2.8 MCA? - ?0.25m⌀49
Cosina Cosinon-W 28mm F/2.8 MC
aka Bauer Neovaron 28mm F/2.8 MC
aka Carl Zeiss Jena 28mm F/2.8 MC
aka Vivitar 28mm F/2.8 Auto VMC
A? - ?0.30m⌀49 1981 
Irix 30mm F/1.4A13 - 110.34m⌀86 2021 
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
smc Pentax-A 28mm F/2.8A7 - 70.30m⌀49 1983 
smc Pentax-A 24mm F/2.8A9 - 80.25m⌀52 1983 
smc Pentax-A 28mm F/2A8 - 70.30m⌀49 1983 
smc Pentax-M 28mm F/2A8 - 70.30m⌀49 1980 
smc Pentax-M 28mm F/2.8 [I]A7 - 70.30m⌀49 1977 
smc Pentax-M 28mm F/3.5A6 - 60.30m⌀49 1977 
smc Pentax 24mm F/2.8A9 - 80.25m⌀52 1977 
smc Pentax 24mm F/3.5A9 - 80.25m⌀58 1975 
smc Pentax 28mm F/2A9 - 80.30m⌀52 1976 
smc Pentax 28mm F/3.5A8 - 70.30m⌀52 1976 
smc Pentax 30mm F/2.8A7 - 70.30m⌀52 1975 
smc Pentax-M 28mm F/2.8 [II]A7 - 70.30m⌀49 1982 
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Ricoh XR Rikenon 28mm F/3.5 AsphericPancake lensA6 - 60.35m⌀52 1996 
Ricoh XR Rikenon 28mm F/2.8A7 - 70.30m⌀52 1980 
Ricoh XR Rikenon 24mm F/2.8A7 - 70.18m⌀52 1982 
Ricoh XR Rikenon 28mm F/3.5A6 - 60.30m⌀52 1977 
Ricoh Rikenon P 28mm F/2.8A7 - 70.30m⌀52 1984 
Ricoh Rikenon P 28mm F/2.8 MacroA5 - 50.22m⌀49 1991 
Samyang 24mm F/1.4 ED AS UMC
aka Bower 24mm F/1.4 ED AS UMC
aka Rokinon 24mm F/1.4 ED AS UMC
aka Walimex Pro 24mm F/1.4 ED AS UMC
13 - 120.25m⌀77 2011 
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28mm F/2.8 (s/n 1xxxxxxx)A7 - 70.30m⌀52
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
Vivitar 28mm F/2.8 MC (s/n 9xxxxxxx)A5 - 50.23m⌀49
Vivitar 28mm F/2.8 MC (s/n 61xxxxxx)A? - ?⌀52
Carl Zeiss Classic Distagon T* 25mm F/2.8 ZF / ZF.2 / ZK / ZSA10 - 80.17mE58 2006 
Konica AR mount (47)
Chinon 24mm F/2.5 MC
aka Auto-Alpa 24mm F/2.5 MC
A10 - 90.25m⌀55
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Konica Hexanon AR 24mm F/2.8 [I]A8 - 80.25m⌀55 1973 
Konica Hexanon AR 28mm F/1.8 UCA8 - 80.18m⌀55 1975 
Konica Hexanon ARP 28mm F/3.5P7 - 60.30m⌀58 1965 
Konica Hexar AR 28mm F/3.5A5 - 50.30m⌀55 1975 
Konica Hexanon AR 24mm F/2.8 [II]A8 - 80.25m⌀55 1980 
Konica Hexanon [AR] 28mm F/3.5 [I]A7 - 70.30m⌀55 1965 
Konica Hexanon AR 28mm F/3.5 [II]A5 - 50.30m⌀55 1978 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto Type 1A8 - 70.30m⌀62
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Sigma-Z MF 24mm F/2.8A10 - 80.25m⌀62 1975 
Sigma-Z MF 28mm F/2.8A7 - 60.40m⌀62 1975 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx)A7 - 60.30m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
[Auto] Tamron-F 28mm F/2.8
aka Auto-Alpa 28mm F/2.8 MC
aka Chinon 28mm F/2.8 MC
A7 - 70.25m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Contax/Yashica mount (49)
Cosina 24mm F/2.8 MC Macro
aka Carl Zeiss Jena II 24mm F/2.8 MC Macro
A7 - 70.19m⌀52
Cosina 28mm F/2.8 MC Macro
aka Carl Zeiss Jena II 28mm F/2.8 MC Macro
aka Vivitar 28mm F/2.8 MC Wide Angle
A5 - 50.22m⌀49
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2 MCA8 - 80.30m⌀55 1980 
Kino Precision Kiron 28mm F/2.8 MCA? - ?0.30m⌀55 1980 
Panagor 28mm F/2.8 Auto PMCA7 - 60.30m⌀49
Panagor 28mm F/2.5 Auto [PMC] Type 2A8 - 70.30m⌀67
Panagor 28mm F/2 Auto PMCA8 - 80.30m⌀55
Panagor 24mm F/2.5 Auto PMCA? - ?0.30m⌀55
Sigma MF 24mm F/2.8 Super Wide IIA8 - 70.18m⌀52 1988 
Sigma MF 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 
Sigma MF 28mm F/1.8 Aspherical ZENA9 - 80.30m⌀58 1990 
Sigma MF 28mm F/2.8 Mini-Wide II
aka Quantaray 28mm F/2.8 MC
A6 - 60.22m⌀52 1985 
Sigma MF 28mm F/2.8 H.L.A8 - 70.22m⌀52 1984 
Sigma MF 24mm F/2.8 Super WideA7 - 70.18m⌀52 1981 
Sigma MF 28mm F/2.8 Mini-Wide
aka Pentacon Prakticar PM 28mm F/2.8 MC
A7 - 60.22m⌀52 1978 
Sigma[-XQ] MF 28mm F/2.8 FiltermaticA8 - 70.35m⌀52 1978 
Sigma[-XQ] MF 24mm F/2.8 FiltermaticA10 - 80.25m⌀62 1978 
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 
Soligor G/S 24mm F/2.5 Auto MC (s/n 3xxxxxx)A9 - 70.30m⌀55
Soligor G/S 28mm F/2.5 Auto MC (s/n 3xxxxxx)A8 - 80.30m⌀52
Soligor C/D 28mm F/2.8 MCA7 - 60.40m⌀58
Soligor C/D 28+35mm F/3.5+3.8 Dualfocal MCA9 - 90.40m⌀52 1981 
Tokina SL 28mm F/2.8A5 - 50.30m⌀49
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52
RMC Tokina 24mm F/2.8
aka Tokina SL 24mm F/2.8 [I]
A8 - 80.27m⌀52
RMC Tokina 28mm F/2.8
aka Voigtlander Color-Skoparet MC 28mm F/2.8
A5 - 50.30m⌀52
Vivitar Series 1 28mm F/1.9 Auto VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 
Vivitar 24mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2 [Auto] [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 
Vivitar 28mm F/2.5 Auto Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67
Vivitar 28mm F/2.5 Auto Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 
Vivitar 28mm F/2.8 MC Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49
Vivitar 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 
Vivitar 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 
Vivitar 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52
Vivitar 24mm F/2.8 AutoA8 - 70.13m⌀58 1976 
Vivitar 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52
YUS Automatic 28mm F/2.8 Type 2A? - ?0.35m⌀55
YUS Automatic 28mm F/2.8 Type 3A8 - ?0.35m⌀58
Yashica ML 24mm F/2.8A9 - 80.30m⌀62 1976 
Yashica ML 28mm F/2.8 [I]A8 - 70.30m⌀52 1975 
Yashica DSB 24mm F/2.8A8 - 80.27m⌀52
Yashica DSB 28mm F/2.8
aka YUS Automatic 28mm F/2.8 Type 1
A6 - 60.30m⌀52
Yashica ML 28mm F/2.8 [II]A7 - 60.30m⌀52
Yashica ML 28mm F/2.8 cA5 - 50.23m⌀49
Carl Zeiss Distagon T* 25mm F/2.8 [AE, MM]A8 - 70.25mE55 1975 
Carl Zeiss Distagon T* 28mm F/2.8 [AE, MM]A7 - 70.25mE55 1979 
Carl Zeiss Distagon T* 28mm F/2 [AE]A9 - 80.24mE55 1975 
Interchangeable mount (22)
Sankyo Kohki W-Komura 28mm F/3.5 [Unidapter]P6 - ?0.40m⌀55
Sankyo Kohki W-Komura 24mm F/3.5 [Unidapter Auto]A7 - ?0.26m⌀52
Sankyo Kohki W-Komura 28mm F/3.5 [Unidapter Auto]A8 - ?0.30m⌀52
Komuranon 24mm F/2.5 K·M·CA11 - 80.26m⌀58
Komuranon 28mm F/2.5 K·M·CA9 - 70.30m⌀58
Sigma[-XQ] MF 24mm F/2.8 Filtermatic [YS]A10 - 80.20m⌀62 1972 
Sigma MF 28mm F/2.8 Widemax [YS]A7 - 60.30m⌀62 1970 
Soligor Wide-Auto 28mm F/2.8 (s/n 1xxxxxxx) [T-4]A7 - 60.30m⌀58
Soligor Wide-Auto 24mm F/2.8 (s/n 1xxxxxxx) [T-4]A8 - 70.30m⌀67
Soligor 28mm F/2.8 [T]P6 - 63.5 ft.⌀58
Mir-10A 28mm F/3.5 [T]P8 - 70.20m⌀67
Tamron 24mm F/2.5 01B [Adaptall-2]A10 - 90.25m⌀55 1979 
Tamron 24mm F/2.5 01BB [Adaptall-2]A10 - 90.25m⌀55 1987 
Tamron 28mm F/2.5 02B [Adaptall-2]A7 - 70.25m⌀49 1979 
Tamron 24mm F/2.5 CW-24 [Adaptall]A10 - 90.25m⌀55 1976 
Tamron 28mm F/2.8 CW-28 [Adaptall]A7 - 70.25m⌀52 1976 
Auto Tamron 24mm F/3.5 [Adapt-A-Matic]A8 - 60.25m⌀72 1971 
Auto Tamron 28mm F/2.8 [Adapt-A-Matic]A7 - 70.22m⌀62 1969 
Auto Tamron 28mm F/2.8 [Adapt-A-Matic]A7 - 70.22m⌀58 1972 
Vivitar 28mm F/2.5 [T]P8 - 70.30m⌀62
Vivitar 28mm F/2.8 Auto (s/n 37xxxxxxx) [T-4]A7 - 60.30m⌀58 1968 
Vivitar 24mm F/2.8 Auto (s/n 37xxxxx) [T-4]A8 - 70.30m⌀67
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Copyright © 2012-2024 Evgenii Artemov. All rights reserved. Translation and/or reproduction of website materials in any form, including the Internet, is prohibited without the express written permission of the website owner.

Chromatic aberration

There are two kinds of chromatic aberration: longitudinal and lateral. Longitudinal chromatic aberration is a variation in location of the image plane with changes in wave lengths. It produces the image point surrounded by different colors which result in a blurred image in black-and-white pictures. Lateral chromatic aberration is a variation in image size or magnification with wave length. This aberration does not appear at axial image points but toward the surrounding area, proportional to the distance from the center of the image field. Stopping down the lens has only a limited effect on these aberrations.

Spherical aberration

Spherical aberration is caused because the lens is round and the film or image sensor is flat. Light entering the edge of the lens is more severely refracted than light entering the center of the lens. This results in a blurred image, and also causes flare (non-image forming internal reflections). Stopping down the lens minimizes spherical aberration and flare, but introduces diffraction.

Astigmatism

Astigmatism in a lens causes a point in the subject to be reproduced as a line in the image. The effect becomes worse towards the corner of the image. Stopping down the lens has very little effect.

Coma

Coma in a lens causes a circular shape in the subject to be reproduced as an oval shape in the image. Stopping down the lens has almost no effect.

Curvature of field

Curvature of field is the inability of a lens to produce a flat image of a flat subject. The image is formed instead on a curved surface. If the center of the image is in focus, the edges are out of focus and vice versa. Stopping down the lens has a limited effect.

Distortion

Distortion is the inability of a lens to capture lines as straight across the entire image area. Barrel distortion causes straight lines at the edges of the frame to bow toward the center of the image, producing a barrel shape. Pincushion distortion causes straight lines at the edges of the frame to curve in toward the lens axis. Distortion, whether barrel or pincushion type, is caused by differences in magnification; stopping down the lens has no effect at all.

The term "distortion" is also sometimes used instead of the term "aberration". In this case, other types of optical aberrations may also be meant, not necessarily geometric distortion.

Diffraction

Classically, light is thought of as always traveling in straight lines, but in reality, light waves tend to bend around nearby barriers, spreading out in the process. This phenomenon is known as diffraction and occurs when a light wave passes by a corner or through an opening. Diffraction plays a paramount role in limiting the resolving power of any lens.

Doublet

Doublet is a lens design comprised of two elements grouped together. Sometimes the two elements are cemented together, and other times they are separated by an air gap. Examples of this type of lens include achromatic close-up lenses.

Dynamic range

Dynamic range is the maximum range of tones, from darkest shadows to brightest highlights, that can be produced by a device or perceived in an image. Also called tonal range.

Resolving power

Resolving power is the ability of a lens, photographic emulsion or imaging sensor to distinguish fine detail. Resolving power is expressed in terms of lines per millimeter that are distinctly recorded in the final image.

Vignetting

Vignetting is the darkening of the corners of an image relative to the center of the image. There are three types of vignetting: optical, mechanical, and natural vignetting.

Optical vignetting is caused by the physical dimensions of a multi-element lens. Rear elements are shaded by elements in front of them, which reduces the effective lens opening for off-axis incident light. The result is a gradual decrease of the light intensity towards the image periphery. Optical vignetting is sensitive to the aperture and can be completely cured by stopping down the lens. Two or three stops are usually sufficient.

Mechanical vignetting occurs when light beams are partially blocked by external objects such as thick or stacked filters, secondary lenses, and improper lens hoods.

Natural vignetting (also known as natural illumination falloff) is not due to the blocking of light rays. The falloff is approximated by the "cosine fourth" law of illumination falloff. Wide-angle rangefinder designs are particularly prone to natural vignetting. Stopping down the lens cannot cure it.

Flare

Bright shapes or lack of contrast caused when light is scattered by the surface of the lens or reflected off the interior surfaces of the lens barrel. This is most often seen when the lens is pointed toward the sun or another bright light source. Flare can be minimized by using anti-reflection coatings, light baffles, or a lens hood.

Ghosting

Glowing patches of light that appear in a photograph due to lens flare.

Retrofocus design

Design with negative lens group(s) positioned in front of the diaphragm and positive lens group(s) positioned at the rear of the diaphragm. This provides a short focal length with a long back focus or lens-to-film distance, allowing for movement of the reflex mirror in SLR cameras. Sometimes called an inverted telephoto lens.

Anastigmat

A photographic lens completely corrected for the three main optical aberrations: spherical aberration, coma, and astigmatism.

By the mid-20th century, the vast majority of lenses were close to being anastigmatic, so most manufacturers stopped including this characteristic in lens names and/or descriptions and focused on advertising other features (anti-reflection coating, for example).

Rectilinear design

Design that does not introduce significant distortion, especially ultra-wide angle lenses that preserve straight lines and do not curve them (unlike a fisheye lens, for instance).

Focus shift

A change in the position of the plane of optimal focus, generally due to a change in focal length when using a zoom lens, and in some lenses, with a change in aperture.

Transmittance

The amount of light that passes through a lens without being either absorbed by the glass or being reflected by glass/air surfaces.

Modulation Transfer Function (MTF)

When optical designers attempt to compare the performance of optical systems, a commonly used measure is the modulation transfer function (MTF).

The components of MTF are:

The MTF of a lens is a measurement of its ability to transfer contrast at a particular resolution from the object to the image. In other words, MTF is a way to incorporate resolution and contrast into a single specification.

Knowing the MTF curves of each photographic lens and camera sensor within a system allows a designer to make the appropriate selection when optimizing for a particular resolution.

Veiling glare

Lens flare that causes loss of contrast over part or all of the image.

Anti-reflection coating

When light enters or exits an uncoated lens approximately 5% of the light is reflected back at each lens-air boundary due to the difference in refractive index. This reflected light causes flare and ghosting, which results in deterioration of image quality. To counter this, a vapor-deposited coating that reduces light reflection is applied to the lens surface. Early coatings consisted of a single thin film with the correct refractive index differences to cancel out reflections. Multi-layer coatings, introduced in the early 1970s, are made up of several such films.

Benefits of anti-reflection coating:

Circular fisheye

Produces a 180° angle of view in all directions (horizontal, vertical and diagonal).

The image circle of the lens is inscribed in the image frame.

Diagonal (full-frame) fisheye

Covers the entire image frame. For this reason diagonal fisheye lenses are often called full-frame fisheyes.

Extension ring

Extension rings can be used singly or in combination to vary the reproduction ratio of lenses. They are mounted between the camera body and the lens. As a rule, the effect becomes stronger the shorter the focal length of the lens in use, and the longer the focal length of the extension ring.

View camera

A large-format camera with a ground-glass viewfinder at the image plane for viewing and focusing. The photographer must stick his head under a cloth hood in order to see the image projected on the ground glass. Because of their 4x5-inch (or larger) negatives, these cameras can produce extremely high-quality results. View cameras also usually support movements.

135 cartridge-loaded film

43.27 24 36
  • Introduced: 1934
  • Frame size: 36 × 24mm
  • Aspect ratio: 3:2
  • Diagonal: 43.27mm
  • Area: 864mm2
  • Double perforated
  • 8 perforations per frame

120 roll film

71.22 44 56
  • Introduced: 1901
  • Frame size: 56 × 44mm
  • Aspect ratio: 11:14
  • Diagonal: 71.22mm
  • Area: 2464mm2
  • Unperforated

120 roll film

79.2 56 56
  • Introduced: 1901
  • Frame size: 56 × 56mm
  • Aspect ratio: 1:1
  • Diagonal: 79.2mm
  • Area: 3136mm2
  • Unperforated

120 roll film

89.64 56 70
  • Introduced: 1901
  • Frame size: 70 × 56mm
  • Aspect ratio: 5:4
  • Diagonal: 89.64mm
  • Area: 3920mm2
  • Unperforated

220 roll film

71.22 44 56
  • Introduced: 1965
  • Frame size: 56 × 44mm
  • Aspect ratio: 11:14
  • Diagonal: 71.22mm
  • Area: 2464mm2
  • Unperforated
  • Double the length of 120 roll film

220 roll film

79.2 56 56
  • Introduced: 1965
  • Frame size: 56 × 56mm
  • Aspect ratio: 1:1
  • Diagonal: 79.2mm
  • Area: 3136mm2
  • Unperforated
  • Double the length of 120 roll film

220 roll film

89.64 56 70
  • Introduced: 1965
  • Frame size: 70 × 56mm
  • Aspect ratio: 5:4
  • Diagonal: 89.64mm
  • Area: 3920mm2
  • Unperforated
  • Double the length of 120 roll film

Shutter speed ring with "F" setting

The "F" setting disengages the leaf shutter and is set when using only the focal plane shutter in the camera body.

Catch for disengaging cross-coupling

The shutter and diaphragm settings are cross-coupled so that the diaphragm opens to a corresponding degree when faster shutter speeds are selected. The cross-coupling can be disengaged at the press of a catch.

Cross-coupling button

With the cross-coupling button depressed speed/aperture combinations can be altered without changing the Exposure Value setting.

M & X sync

The shutter is fully synchronized for M- and X-settings so that you can work with flash at all shutter speeds.

In M-sync, the shutter closes the flash-firing circuit slightly before it is fully open to catch the flash at maximum intensity. The M-setting is used for Class M flash bulbs.

In X-sync, the flash takes place when the shutter is fully opened. The X-setting is used for electronic flash.

X sync

The shutter is fully synchronized for X-setting so that you can work with flash at all shutter speeds.

In X-sync, the flash takes place when the shutter is fully opened. The X-setting is used for electronic flash.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

MF

Sorry, no additional information is available.

Unable to follow the link

You are already on the page dedicated to this lens.

Cannot perform comparison

Cannot compare the lens to itself.

Image stabilizer

A technology used for reducing or even eliminating the effects of camera shake. Gyro sensors inside the lens detect camera shake and pass the data to a microcomputer. Then an image stabilization group of elements controlled by the microcomputer moves inside the lens and compensates camera shake in order to keep the image static on the imaging sensor or film.

The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.

Original name

Lens name as indicated on the lens barrel (usually on the front ring). With lenses from film era, may vary slightly from batch to batch.

Format

Format refers to the shape and size of film or image sensor.

35mm is the common name of the 36x24mm film format or image sensor format. It has an aspect ratio of 3:2, and a diagonal measurement of approximately 43mm. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Historically the 35mm format was sometimes called small format to distinguish it from the medium and large formats.

APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2.

Medium format is a film format or image sensor format larger than 36x24mm (35mm) but smaller than 4x5in (large format).

Angle of view

Angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.

As the focal length changes, the angle of view also changes. The shorter the focal length (eg 18mm), the wider the angle of view. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view.

A camera's angle of view depends not only on the lens, but also on the sensor. Imaging sensors are sometimes smaller than 35mm film frame, and this causes the lens to have a narrower angle of view than with 35mm film, by a certain factor for each sensor (called the crop factor).

This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL),

where:

CF – crop-factor of a sensor,
FL – focal length of a lens.

Mount

A lens mount is an interface — mechanical and often also electrical — between a camera body and a lens.

A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts.

Lens mounts of competing manufacturers (Canon, Nikon, Pentax, Sony etc.) are always incompatible. In addition to the mechanical and electrical interface variations, the flange focal distance can also be different.

The flange focal distance (FFD) is the distance from the mechanical rear end surface of the lens mount to the focal plane.

Lens construction

Lens construction – a specific arrangement of elements and groups that make up the optical design, including type and size of elements, type of used materials etc.

Element - an individual piece of glass which makes up one component of a photographic lens. Photographic lenses are nearly always built up of multiple such elements.

Group – a cemented together pieces of glass which form a single unit or an individual piece of glass. The advantage is that there is no glass-air surfaces between cemented together pieces of glass, which reduces reflections.

Focal length

The focal length is the factor that determines the size of the image reproduced on the focal plane, picture angle which covers the area of the subject to be photographed, depth of field, etc.

Speed

The largest opening or stop at which a lens can be used is referred to as the speed of the lens. The larger the maximum aperture is, the faster the lens is considered to be. Lenses that offer a large maximum aperture are commonly referred to as fast lenses, and lenses with smaller maximum aperture are regarded as slow.

In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both.

Closest focusing distance

The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus.

Closest working distance

The distance from the front edge of the lens to the subject at the maximum magnification.

Magnification ratio

Determines how large the subject will appear in the final image. Magnification is expressed as a ratio. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. For this reason, a 1:1 ratio is often called "life-size".

Modified M42 mount

The mount was modified by the manufacturer to allow exposure metering at full aperture.

Manual diaphragm

The diaphragm must be stopped down manually by rotating the detent aperture ring.

Preset diaphragm

The lens has two rings, one is for pre-setting, while the other is for normal diaphragm adjustment. The first ring must be set at the desired aperture, the second ring then should be fully opened for focusing, and turned back for stop down to the pre-set value.

Semi-automatic diaphragm

The lens features spring mechanism in the diaphragm, triggered by the shutter release, which stops down the diaphragm to the pre-set value. The spring needs to be reset manually after each exposure to re-open diaphragm to its maximum value.

Automatic diaphragm

The camera automatically closes the diaphragm down during the shutter operation. On completion of the exposure, the diaphragm re-opens to its maximum value.

Fixed diaphragm

The aperture setting is fixed at F/2.8 on this lens, and cannot be adjusted.

Number of blades

As a general rule, the more blades that are used to create the aperture opening in the lens, the rounder the out-of-focus highlights will be.

Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. However, the fewer blades the diaphragm has, the more difficult it is to form a circle, regardless of rounded edges.

At maximum aperture, the opening will be circular regardless of the number of blades.

Weight

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

Maximum diameter x Length

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

For lenses with collapsible design, the length is indicated for the working (retracted) state.

Weather sealing

A rubber material which is inserted in between each externally exposed part (manual focus and zoom rings, buttons, switch panels etc.) to ensure it is properly sealed against dust and moisture.

Lenses that accept front mounted filters typically do not have gaskets behind the filter mount. It is recommended to use a filter for complete weather resistance when desired.

Fluorine coating

Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Applied to the outer surface of the front and/or rear lens elements over multi-coatings.

Filters

Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images.

Lens hood

A lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background.

The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood.

Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens.

Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.

Teleconverters

Teleconverters increase the effective focal length of lenses. They also usually maintain the closest focusing distance of lenses, thus increasing the magnification significantly. A lens combined with a teleconverter is normally smaller, lighter and cheaper than a "direct" telephoto lens of the same focal length and speed.

Teleconverters are a convenient way of enhancing telephoto capability, but it comes at a cost − reduced maximum aperture. Also, since teleconverters magnify every detail in the image, they logically also magnify residual aberrations of the lens.

Lens caps

Scratched lens surfaces can spoil the definition and contrast of even the finest lenses. Lens covers are the best and most inexpensive protection available against dust, moisture and abrasion. Safeguard lens elements - both front and rear - whenever the lens is not in use.