N°431257 · Family detail
Carl ZeissWide·CONTAX mount·1954
Zeiss-Opton / Carl Zeiss Contax Biogon 21mm F/4.5
Specifications01
MountCONTAX
Focal length21mm
Max aperturef/4.5
TypeWide · Prime
Release year1954
Filter size40.5 mm
Min focus distance0.9144 m
Aperture blades8
Optical elements8
AutofocusNo
StabilizationNo
Aperture controlAperture ring
EraPro
Production statusFilm era
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
Zeiss Contax Biogon 21mm f/4.5 is a fixed wide-angle prime lens for the Contax mount, used for landscape, architecture, and general wide-field photography. It has a maximum aperture of f/4.5.
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Other Mounts03
No alternate mounts are indexed for this family yet.