Isco-Gottingen WESTROCOLOR 50mm F/1.9 Type 1b

Specifications01

MountEXAKTA

Focal length50mm

Max aperturef/1.9

TypePortrait · Prime

Min focus distance0.5 m

Aperture blades6

Optical elements6

Groups4

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodNot required

Production statusDiscontinued

Additional Info02

Lens TypePrime lens

Summary02

50mm f/1.9 prime lens for the EXAKTA mount, intended for general photography and low-light work. Type 1b WESTROCOLOR designation from Isco-Gottingen.

AI-assisted summary — verify against linked sources

Specifications from thelensdb

Where 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.

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.