Carl Zeiss
Biogon 21mm f/4.5
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Year
1953 – 1962
Type
Ultra grand angle
Focal Length
21mm
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Technical Specifications
CategoryObjectif
TypeUltra grand angle
RangeZeiss Ikon Contax
Start Year1953
End Year1962
CountryWest Germany
MountContax RF outer bayonet
CompatibilityContax IIa/IIIa; viseur externe conseillé
Focal Length21mm
Focal TypeFixe
Max Aperturef/4.5
Min Aperturef/22
Optical Formula8 éléments / 5 groupes
FocusManuelle
Minimum Focus0.9m
StabilizationNon
AutofocusNon
Filter40.5mm
Weight180g
Dimensions49x35mm
ColorChrome
MaterialsMétal
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Compatible cameras (6)
Mount-family matches. Check the exact version and supported functions before use.