N°100039 · Family detail
Carl ZeissWide·PRAKTICA B mount·1979
Carl Zeiss Jena DDR Prakticar 20mm F/2.8 MC
Specifications01
MountPRAKTICA B
Focal length20mm
Max aperturef/2.8
TypeWide · Prime
Release year1979
Weight310 g
Filter size67 mm
Min focus distance0.2 m
Aperture blades6
Optical elements9
Groups8
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
20mm f/2.8 prime wide-angle lens for Praktica B (M42) mounts. Intended for general wide-angle photography such as landscapes and interiors.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.