N°109537 · Family detail
Carl ZeissTelephoto·PRAKTICA B mount·1980
Carl Zeiss Jena DDR Prakticar 300mm F/4 MC
Specifications01
MountPRAKTICA B
Focal length300mm
Max aperturef/4
TypeTelephoto · Prime
Release year1980
Weight900 g
Filter size72 mm
Min focus distance4 m
Aperture blades6
Optical elements7
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodBuilt-in telescopic round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Carl Zeiss Jena DDR Prakticar 300mm f/4 MC is a fixed telephoto prime lens for Praktica B (Pentacon/Praktica) mounts, suited to sports and wildlife. The MC coating indicates multi-coating for reduced reflections.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Praktica B mount has a flange distance of 44.4 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 26.4 mm
- Canon RFAdapter · 24.4 mm
- Nikon ZAdapter · 28.4 mm
- Fujifilm XAdapter · 26.7 mm
- L-MountAdapter · 24.4 mm
- Micro Four ThirdsAdapter · 25.15 mm
- Fujifilm G (GFX)Adapter · 17.7 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 26.4 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Other Mounts03
No alternate mounts are indexed for this family yet.