Sankyo Kohki Komura 105mm F/2

Short telephoto prime lens • Film era • Discontinued

  • Announced:
  • · No data
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · SANKYO KOHKI Japan Komura- f=105mm 1:2
  • Class:
  • · Fast full-frame short telephoto prime lens

Model history (2)

■Sankyo Kohki Komura 105mm F/2P5 - 41.50m⌀58 ●
■Sankyo Kohki Komura 105mm F/2 [Unidapter]P5 - 41.50m⌀58 1965 ●

Specification

Optical design:
35mm full frame
105mm
F/2
5 elements in 4 groups (Ernostar)
Canon R [42mm]
Exakta [44.7mm]
Konica F [40.5mm]
M42 [45.5mm]
Minolta SR [43.5mm]
Nikon F [46.5mm]
23.3° (35mm full frame)
On Nikon D APS-C [1.53x] cameras:
35mm equivalent focal length:
160.7mm (in terms of field of view)
35mm equivalent speed:
F/3.1 (in terms of depth of field)
Diagonal angle of view:
15.3°
Diaphragm mechanism:
Diaphragm type:
Preset
Aperture control:
Preset ring + Aperture ring
12 (twelve)
Focusing:
1.50m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
<No data>
<No data>
Accessories:
Screw-type 58mm
Screw-type round
<No data>

Source of data

  • Komura Interchangeable Lens Guide (1963).

Manufacturer description

The 105mm f/2.0 lens with its very large lens opening has been an instant success with photographers seeking a medium focal length lens having maximum lens speed. This extra speed assures well exposed negatives and color slides in poor light. Brilliantly sharp results may be expected from this lens even at full aperture due to its fine corrections.

Available in mounts for a broad range of SLR and RF cameras.

From the editor

A Direct Mount lens that was available for a number of SLR mounts. For a complete list of cameras/mounts, please refer to the page dedicated to the W-Komura 35/2.5 lens.

Note that the Exakta mount version of this lens has a smaller closest focusing distance of 1.2m / 4ft.

Later, a version with an interchangeable mount (so called "Unidapter" system) was released.

Lenses with similar focal length

■M42 mount (19)
Asahi Super-Takumar 105mm F/2.8 [350, 43500, 43501]A5 - 41.20m⌀49 1963 ●
Asahi Takumar 100mm F/2P5 - 51.00m⌀58 1964 ●
Asahi Takumar 105mm F/2.8 [331, 43310]P4 - 41.20m⌀46 1958 ●
Asahi Auto-Takumar 105mm F/2.8 [340, 43400]S4 - 41.20m⌀49 1959 ●
Asahi Takumar 105mm F/2.8 [349, 43490]P5 - 41.20m⌀49 1961 ●
Asahi Super-Multi-Coated Takumar 105mm F/2.8 [43502]A5 - 41.20m⌀49 1971 ●
Enna Munchen Ennalyt 95mm F/2.8M3 - 31.00m⌀52 ●
Fuji Photo Film [EBC] Fujinon-T 100mm F/2.8A5 - 41.20m⌀49 1970 ●
Mamiya/Sekor SX Auto 100mm F/2.8A5 - 41.20m⌀52 ●
Mamiya/Sekor SX Auto 105mm F/2.8A4 - 41.20m⌀52 1974 ●
Meyer-Optik Gorlitz Trioplan 100mm F/2.8 [V]P3 - 31.10m⌀49 1952 ●
Meyer-Optik Gorlitz Orestor 100mm F/2.8A5 - 41.10m⌀49 1967 ●
Pentacon 100mm F/2.8 auto / electricA5 - 41.10m⌀49 1971 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
Soligor Auto 100mm F/2 MC (s/n 2xxxxxx)
akaSpiratone Minitel 100mm F/2 Pluracoat		A6 - 41.50m⌀58 ●
Vega-13M 100mm F/2.8
akaВЕГА-13М 100mm F/2.8		A5 - 51.00m⌀58 ●
TTArtisan 100mm F/2.8M3 - 30.90m⌀49 2023 ●
Tomioka Tominon Auto 100mm F/2.8
akaTomioka Chinon Auto 100mm F/2.8		A? - ?1.20m⌀49 ●
Yashica Yashinon-DX Auto 100mm F/2.8A5 - 41.20m⌀52 ●
■Canon R mount (2)
Canon Super-Canomatic R 100mm F/2A6 - 41.00m⌀58 1959 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
■Exakta mount (7)
Enna Munchen Ennalyt 95mm F/2.8M3 - 31.00m⌀52 ●
Meyer-Optik Gorlitz Trioplan 100mm F/2.8 [V]P3 - 31.10m⌀49 1952 ●
Meyer-Optik Gorlitz Orestor 100mm F/2.8A5 - 41.10m⌀49 1967 ●
Meyer-Optik Gorlitz Trioplan 100mm F/2.8 VA3 - 31.10m⌀49 1955 ●
Meyer-Optik Gorlitz Trioplan N 100mm F/2.8 [V]A3 - 31.10m⌀55 1960 ●
Pentacon 100mm F/2.8 auto / electricA5 - 41.10m⌀49 1971 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
■Konica F mount (3)
Konishiroku Hexanon 100mm F/2.8A5 - 41.50m⌀55 1960 ●
Konishiroku Hexanon 100mm F/2.8P5 - 41.00m⌀55 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
■Nikon F mount (12)
Venus Optics Laowa 105mm F/2 [T3.2] Smooth Trans Focus SLRM11 - 80.90m⌀67 2016 ●
Nikon AI-S Nikkor 105mm F/2.5A5 - 41.00m⌀52 1981 ●
Nikon AI-S Nikkor 105mm F/1.8A5 - 51.00m⌀62 1981 ●
Nikon Series E 100mm F/2.8A4 - 41.00m⌀52 1979 ●
Nippon Kogaku Nikkor-P Auto 105mm F/2.5A5 - 31.20m⌀52 1959 ●
Nikon Nikkor-P[·C] Auto 105mm F/2.5A5 - 41.00m⌀52 1971 ●
Nikon Nikkor 105mm F/2.5A5 - 41.00m⌀52 1974 ●
Nikon AI Nikkor 105mm F/2.5A5 - 41.00m⌀52 1977 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
Soligor Auto 100mm F/2 MC (s/n 2xxxxxx)
akaSpiratone Minitel 100mm F/2 Pluracoat		A6 - 41.50m⌀58 ●
Kaleinar-5N 100mm F/2.8 MC
akaArsat H 100mm F/2.8
akaКАЛЕЙНАР-5Н 100mm F/2.8 МС		A5 - 40.80m⌀52 1983 ●
ZEISS Otus Apo Sonnar T* 100mm F/1.4 ZE / ZF.2A14 - 111.00mE86 2019 ●
■Minolta SR mount (9)
Minolta Auto Tele Rokkor-PF 100mm F/2A6 - 51.20m⌀62 1961 ●
Minolta MC Tele Rokkor-PF 100mm F/2.5A6 - 51.20m⌀55 1968 ●
Minolta MD Tele Rokkor 100mm F/2.5A5 - 51.00m⌀55 1977 ●
Minolta MD 100mm F/2.5A5 - 51.00m⌀49 1981 ●
Minolta MC Tele Rokkor-PF 100mm F/2A6 - 51.20m⌀62 1966 ●
Minolta MC Tele Rokkor-PF 100mm F/2.5 Gen. XA6 - 51.20m⌀55 1973 ●
Minolta MC Tele Rokkor 100mm F/2.5 Gen. XA5 - 51.00m⌀55 1976 ●
Sankyo Kohki Komura 105mm F/2.5P5 - 41.50m⌀48 ●
Soligor Auto 100mm F/2 MC (s/n 2xxxxxx)
akaSpiratone Minitel 100mm F/2 Pluracoat		A6 - 41.50m⌀58 ●
■Interchangeable mount (11)
Sankyo Kohki Komura 105mm F/2 [Unidapter]P5 - 41.50m⌀58 1965 ●
Sankyo Kohki Komura 100mm F/1.8 [Unidapter]P5 - 41.40m⌀62 ●
Sankyo Kohki Komura 105mm F/2.5 [Unidapter]P5 - ?1.00m⌀48 ●
Sankyo Kohki Super-Komura 100mm F/2.5 [Unidapter Auto]A5 - ?0.90m⌀55 ●
Komuranon 100mm F/2.5 K·M·CA5 - 40.90m⌀58 1974 ●
Soligor Tele-Auto 105mm F/2.8 (s/n 1xxxxxxx) [T-4]A4 - 41.50m⌀49 ●
Soligor Telephoto 105mm F/2.8 [T]P4 - 44 ft.⌀46 ●
Vega-13A 100mm F/2.8 [T]
akaВЕГА-13А 100mm F/2.8		P5 - 50.80m⌀58 ●
Tamron 105mm F/2.5 CT-105 [Adaptall]A4 - 41.30m⌀52 1976 ●
Tamron Auto 105mm F/2.5 [Adapt-A-Matic]A4 - 41.00m⌀52 1972 ●
Vivitar Auto 105mm F/2.8 (s/n 37xxxxxxx) [T-4]A4 - 41.50m⌀49 ●

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