N°106705 · Family detail
Carl ZeissWide·CONTAREX mount·1958
Carl Zeiss Contarex Biogon 21mm F/4.5
Specifications01
MountCONTAREX
Focal length21mm
Max aperturef/4.5
TypeWide · Prime
Release year1958
Filter size56 mm
Min focus distance1 m
Max magnification0.0222
Aperture blades8
Optical elements8
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hoodBayonet-type 20.0710 (rectangular)
TeleconvertersNot available
EraPro
Production statusFilm era
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
21mm f/4.5 prime wide-angle lens for the Contarex mount, designed for general wide-angle use such as landscape and architecture. Manual focus operation is typical for this classic Zeiss Contarex line.
AI-assisted summary — verify against linked sourcesSources03
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Other Mounts03
No alternate mounts are indexed for this family yet.