N°92539 · Family detail
Isco-GottingenPortrait·EXAKTA mount·1958
Isco-Gottingen Westrocolor 50mm F/1.9
Specifications01
MountEXAKTA
Focal length50mm
Max aperturef/1.9
TypePortrait · Prime
Release year1958
Weight227 g
Min focus distance0.5 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Summary02
50mm prime lens for the EXAKTA mount with a maximum aperture of f/1.9. Suitable for general photography and low-light use where a normal focal length is desired.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Exakta mount has a flange distance of 44.7 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 26.7 mm
- Canon RFAdapter · 24.7 mm
- Nikon ZAdapter · 28.7 mm
- Fujifilm XAdapter · 27 mm
- L-MountAdapter · 24.7 mm
- Micro Four ThirdsAdapter · 25.45 mm
- Fujifilm G (GFX)Adapter · 18 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 26.7 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Other Mounts03
This lens family is also indexed in 1 other mount.