N°107226 · Family detail
CarlWide·EXAKTA mount
Carl Zeiss Jena Q1 Flektogon 25mm F/4
Specifications01
Summary02
Carl Zeiss Jena Flektogon 25mm f/4 is a fixed 25mm prime lens for the EXAKTA mount. It’s a wide-angle option intended for general photography and landscapes.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Exakta mount has a flange distance of 44.7 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 26.7 mm
- Canon RFAdapter · 24.7 mm
- Nikon ZAdapter · 28.7 mm
- Fujifilm XAdapter · 27 mm
- L-MountAdapter · 24.7 mm
- Micro Four ThirdsAdapter · 25.45 mm
- Fujifilm G (GFX)Adapter · 18 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 26.7 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Other Mounts03
This lens family is also indexed in 2 other mounts.