N°106707 · Family detail
Carl ZeissWide·CONTAREX mount·1958
Carl Zeiss Biogon 21mm F/4.5
Specifications01
MountCONTAREX
Focal length21mm
Max aperturef/4.5
TypeWide · Prime
Release year1958
Min focus distance1 m
Max magnification0.0222
Aperture blades8
Optical elements8
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hood20.0710 - Bayonet-type rectangular
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
Carl Zeiss Biogon 21mm f/4.5 is an ultra-wide-angle prime lens for 35mm Contarex mount cameras, designed for landscape and architecture at moderate aperture settings. Fixed aperture maximum of f/4.5.
AI-assisted summary — verify against linked sourcesOther Mounts03
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