N°87820 · Family detail
CarlTelephoto·PRAKTICA B mount
Carl Zeiss Jena Triotar 135mm F/4
Specifications01
Summary02
Carl Zeiss Jena Triotar is a 135mm prime portrait/short-tele lens for the Praktica B mount (M42). It has a maximum aperture of f/4, suitable for general telephoto use and low-light compared with slower lenses.
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
This lens family is also indexed in 4 other mounts.