Minolta MD W.Rokkor 28mm F/2.8

Wide-angle prime lens • Film era • Discontinued

  • Announced:
  • · April 1977
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · MINOLTA MD W.ROKKOR 1:2.8 f=28mm
  • Class:
  • · Fast full-frame wide-angle prime lens
  • System:
  • · Minolta SR (1958)

Abbreviations

MD The lens is coupled to the camera's TTL exposure meter for full-aperture measurement. In addition to aperture-priority auto exposure mode, the lens also supports shutter-priority auto exposure mode.

Model history (5)

■Minolta MC W.Rokkor 28mm F/2.8 Gen. XA7 - 70.30m⌀55 1974 ●
—Minolta MC Celtic 28mm F/2.8 1975 ●
■Minolta MD W.Rokkor 28mm F/2.8A7 - 70.30m⌀55 1977 ●
—Minolta MD Celtic 28mm F/2.8 1977 ●
■Minolta MD W.Rokkor 28mm F/2.8A7 - 70.30m⌀49 1978 ●
—Minolta MD Celtic 28mm F/2.8 1978 ●
■Minolta MD 28mm F/2.8A7 - 70.30m⌀49 1981 ●
■Minolta MD 28mm F/2.8A5 - 50.30m⌀49 1983 ●

Specification

Optical design:
35mm full frame
28mm
F/2.8
7 elements in 7 groups
Minolta SR [43.5mm]
75.4° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings + Auto Exposure setting)
6 (six)
Focusing:
0.30m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
205g
⌀64.5×43.5mm
Accessories:
Screw-type 55mm
Screw-type
Minolta MD 2X Tele Converter 300-S → 56mm F/5.6

Source of data

  • A guide to the Minolta SLR system of creative photography 803E-M1.

Manufacturer description

The useful wideangle focal length of 28mm is represented by two different Rokkor-X lenses, with the f/2 maximum aperture of the most elaborate making it one of the fastest 28mm lenses. The 28mm focal length is suitable for photographing the majority of wideangle subjects, and the construction of each of the two Rokkor-Xs is designed to enhance sharpness. Other desirable optical characteristic include corner-to-corner sharpness even at maximum aperture and at close focusing distances. The f/2 lens features the "floating" focusing system. The f/2.8 lens, very light and compact, incorporates an extra element in its last group to provide extra correction of aberration called coma and improved edge sharpness.

Other wide-angle prime lenses in the Minolta SR system

■Minolta SR mount (41)
Minolta MC W.Rokkor-SI 24mm F/2.8 Gen. XA9 - 70.30m⌀55 1973 ●
Minolta MC Rokkor 24mm F/2.8 VFC Gen. XA9 - 70.30m⌀55 1975 ●
Minolta MC W.Rokkor 24mm F/2.8 Gen. XA9 - 70.30m⌀55 1975 ●
Minolta MD W.Rokkor 24mm F/2.8A9 - 70.30m⌀55 1977 ●
Minolta MD Rokkor 24mm F/2.8 VFCA9 - 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 24mm F/2.8A8 - 80.25m⌀49 1981 ●
Minolta MD 24mm F/2.8 VFCA9 - 70.30m⌀55 1982 ●
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/3.5 Gen. XA7 - 70.60m⌀55 1973 ●
Minolta MC W.Rokkor 28mm F/3.5 Gen. XA5 - 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 ●
Minolta MC W.Rokkor 28mm F/2.8 Gen. XA7 - 70.30m⌀55 1974 ●
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 MC W.Rokkor-SI 28mm F/2.5A9 - 70.50m⌀55 1969 ●
Minolta MC W.Rokkor[-SI] 28mm F/2.5 Gen. XA9 - 70.50m⌀55 1973 ●
Minolta MC W.Rokkor 28mm F/2 Gen. XA10 - 90.30m⌀55 1975 ●
Minolta MD W.Rokkor 28mm F/2A10 - 90.30m⌀55 1977 ●
Minolta MD 28mm F/2A9 - 90.30m⌀49 1981 ●
Minolta W.Rokkor-QE 35mm F/4P5 - 40.40m⌀55 1960 ●
Minolta W.Rokkor-QE 35mm F/4 CompactP5 - 40.40m⌀52 1965 ●
Minolta Auto W.Rokkor-HG 35mm F/2.8A7 - 60.25m⌀55 1959 ●
Minolta Auto W.Rokkor-HG 35mm F/2.8A7 - 60.40m⌀55 1962 ●
Minolta Auto W.Rokkor-HG 35mm F/2.8 CompactA7 - 60.40m⌀52 1965 ●
Minolta MC W.Rokkor-HG 35mm F/2.8A7 - 60.40m⌀52 1966 ●
Minolta MC W.Rokkor[-HG] 35mm F/2.8 Gen. XA7 - 60.40m⌀55 1973 ●
Minolta MC W.Rokkor 35mm F/2.8 Gen. XA5 - 50.30m⌀55 1975 ●
Minolta MD W.Rokkor 35mm F/2.8A5 - 50.30m⌀55 1977 ●
Minolta MD W.Rokkor 35mm F/2.8A5 - 50.30m⌀49 1978 ●
Minolta MD 35mm F/2.8A5 - 50.30m⌀49 1981 ●
Minolta MC W.Rokkor-HH 35mm F/1.8A8 - 60.30m⌀55 1968 ●
Minolta MC W.Rokkor[-HH] 35mm F/1.8 Gen. XA8 - 60.30m⌀55 1973 ●
Minolta MD W.Rokkor 35mm F/1.8A8 - 60.30m⌀49 1978 ●
Minolta MD 35mm F/1.8A8 - 60.30m⌀49 1981 ●

Lenses with similar focal length

■Minolta SR mount (52)
Chinar 28mm F/2.8 [M.C]
akaHanimex Automatic 28mm F/2.8		A7 - 70.40m⌀52 ●
Chinon 24mm F/2.5 Multi Coated
akaAuto-Alpa 24mm F/2.5 Multi-Coated		A10 - 90.25m⌀55 ●
Cosina 24mm F/2.8 MC Macro
akaCarl Zeiss Jena II 24mm F/2.8 MC Macro
akaPhoenix 24mm F/2.8 Macro		A7 - 70.19m⌀52 ●
Cosina 28mm F/2.8 MC Macro
akaCarl Zeiss Jena II 28mm F/2.8 MC Macro
akaPhoenix 28mm F/2.8 Macro
akaVivitar Wide Angle 28mm F/2.8 MC		A5 - 50.22m⌀49 ●
Hanimex Wide-Auto 28mm F/2.8A7 - ?0.45m⌀58 ●
Hanimex Automatic 28mm F/2.8 MCA8 - 70.30m⌀55 ●
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 Auto Wide-Angle 28mm F/2.8 PMCA7 - 60.30m⌀49 ●
Panagor Auto Wide Angle 28mm F/2.5 Type 1A8 - 70.30m⌀62 ●
Panagor Auto Wide Angle 28mm F/2.5 [PMC] Type 2A8 - 70.30m⌀67 ●
Panagor Auto Wide-Angle 28mm F/2 PMCA8 - 80.30m⌀55 ●
Panagor Auto Wide-Angle 24mm F/2.5 PMCA? - ?0.30m⌀55 ●
Quantaray 28mm F/2.8 MCA? - ?0.30m⌀49 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-Coated IIA8 - 70.18m⌀52 1988 ●
Sigma MF High-Speed Wide 28mm F/1.8 Aspherical II ZENA9 - 80.30m⌀58 1994 ●
Sigma MF High-Speed Wide 28mm F/1.8 Aspherical Multi-Coated ZENA9 - 80.30m⌀58 1990 ●
Sigma MF Mini-Wide 28mm F/2.8 Multi-Coated II
akaQuantaray 28mm F/2.8 Multi-Coated		A6 - 60.22m⌀52 1985 ●
Sigma MF H.L. Wide 28mm F/2.8 Multi-CoatedA8 - 70.22m⌀52 1984 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-CoatedA7 - 70.18m⌀52 1981 ●
Sigma MF Mini-Wide 28mm F/2.8 Multi-Coated
akaPentacon Prakticar PM 28mm F/2.8 MC		A7 - 60.22m⌀52 1978 ●
Sigma[-XQ] MF 28mm F/2.8 Filtermatic Multi-CoatedA8 - 70.35m⌀52 1978 ●
Sigma[-XQ] MF 24mm F/2.8 Filtermatic Multi-CoatedA10 - 80.25m⌀62 1978 ●
Sigma-Z MF 24mm F/2.8 [Multi-Coated]A10 - 80.25m⌀62 1975 ●
Sigma-Z MF 28mm F/2.8 [Multi-Coated]A7 - 60.40m⌀62 1975 ●
Soligor C/D 28mm F/2 P (s/n 1xxxxxxx)A8 - 70.23m⌀58 1974 ●
Soligor G/S Wide-Auto 24mm F/2.5 MC (s/n 3xxxxxx)A9 - 70.30m⌀55 ●
Soligor G/S Wide-Auto 28mm F/2.5 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 Dualfocal 28+35mm F/3.5+3.8 MCA9 - 90.40m⌀52 1981 ●
Tamron-F [Auto] 28mm F/2.8A7 - 70.25m⌀52 ●
Tokina SL 28mm F/2.8A5 - 50.30m⌀49 ●
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52 ●
Tokina 24mm F/2.8 RMC
akaTokina SL 24mm F/2.8 [I]		A8 - 80.27m⌀52 ●
Tokina 28mm F/2.8 RMC
akaVoigtlander Color-Skoparet 28mm F/2.8 MC		A5 - 50.30m⌀52 ●
Vivitar Series 1 Auto Wide Angle 28mm F/1.9 VMC (s/n 37xxxxxx)A9 - 80.30m⌀58 1976 ●
Vivitar [Auto] Wide-Angle 24mm F/2 [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 ●
Vivitar [Auto] Wide-Angle 28mm F/2 [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 ●
Vivitar Auto Wide-Angle 28mm F/2.5 Type 2 (s/n 22xxxxxx)A8 - 70.30m⌀67 ●
Vivitar Auto Wide-Angle 28mm F/2.5 Type 1 (s/n 22xxxxxx)A8 - 70.30m⌀62 1969 ●
Vivitar [Auto] Wide Angle 28mm F/2.8 [MC] Compact [I] (s/n 28xxxxxx)A7 - 70.30m⌀49 ●
Vivitar Wide Angle 28mm F/2.8 MC Compact [II] (s/n 42xxxxxx)A7 - 70.30m⌀49 1983 ●
Vivitar Wide Angle 28mm F/2 MC Close Focus (s/n 28xxxxxx)A8 - 70.23m⌀49 1983 ●
Vivitar Wide Angle 28mm F/2.8 MC Close Focus (s/n 28xxxxxx)A5 - 50.23m⌀49 ●
Vivitar Wide Angle 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx)A8 - 70.25m⌀58 1976 ●
Vivitar Auto Wide Angle 28mm F/2.5 "Bright Band" (s/n 22xxxxxx)A8 - 70.30m⌀62 1968 ●
Vivitar Wide Angle 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52 ●
Vivitar Wide Angle 28mm F/2.8 MC (s/n 9xxxxxxx)A5 - 50.23m⌀49 ●
■Interchangeable mount (25)
Hanimex 28mm F/2.8 [T]
akaHanimex 28mm F/3		P7 - ?0.45m⌀58 ●
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 1974 ●
Komuranon 28mm F/2.5 K·M·CA9 - 70.30m⌀58 1974 ●
Sigma[-XQ] MF [Wide] 24mm F/2.8 Filtermatic [Multi-Coated] [YS]A10 - 80.20m⌀62 1972 ●
Sigma MF Widemax 28mm F/2.8 [Multi] [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 Wide Angle 28mm F/2.8 [T]P6 - 63.5 ft.⌀58 ●
Mir-10A 28mm F/3.5 [T]
akaМИР-10А 28mm F/3.5		P8 - 70.20m⌀67 ●
Tamron 24mm F/2.5 MC 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 MC 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 ●
Tamron Auto 24mm F/3.5 [Adapt-A-Matic]A8 - 60.25m⌀72 1971 ●
Tamron Auto 28mm F/2.8 [Adapt-A-Matic]A7 - 70.22m⌀62 1969 ●
Tamron Auto 28mm F/2.8 [Adapt-A-Matic]A7 - 70.22m⌀58 1972 ●
Vivitar Wide Angle 28mm F/2.5 [T]P8 - 70.30m⌀62 ●
Vivitar Auto Wide-Angle 28mm F/2.8 (s/n 37xxxxxxx) [T-4]A7 - 60.30m⌀58 1968 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxx) [T-4]A8 - 70.30m⌀67 ●
Vivitar Auto Wide-Angle 28mm F/2.5 (s/n 37xxxxxx) [TX]A7 - 70.24m⌀52 1976 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx) [TX]A8 - 70.23m⌀58 1976 ●

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