N°100199 · Family detail
Carl ZeissWide·LEICA M mount·2004
Carl Zeiss Biogon T* 21mm F/2.8 ZM
Specifications01
MountLEICA M
Focal length21mm
Max aperturef/2.8
TypeWide · Prime
Release year2004
Weight300 g
Filter size46 mm
Min focus distance0.5 m
Max magnification0.0476
Aperture blades10
Optical elements9
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hood1365-665 - Bayonet-type rectangular
EraFilm era
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
Carl Zeiss Biogon T* 21mm F/2.8 is a Leica M-mount prime wide-angle lens for landscape, street, and general use. It has a maximum aperture of f/2.8 for low-light flexibility.
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Other Mounts03
No alternate mounts are indexed for this family yet.