N°99299 · Family detail
Carl ZeissWide·ROLLEI QBM mount·1972
Carl Zeiss Distagon HFT 18mm F/4
Specifications01
MountROLLEI QBM
Focal length18mm
Max aperturef/4
TypeWide · Prime
Release year1972
Weight300 g
Filter size70 mm
Min focus distance0.3 m
Aperture blades6
Optical elements10
Groups9
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodNot available
TeleconvertersNot compatible
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeUltra-wide angle prime lens
Summary02
Carl Zeiss Distagon HFT is a fixed 18mm f/4 prime ultra-wide lens for film/large-format style QBM systems, intended for architecture and landscape work. The small f/4 aperture suits daylight use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Rollei QBM mount has a flange distance of 44.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 26.5 mm
- Canon RFAdapter · 24.5 mm
- Nikon ZAdapter · 28.5 mm
- Fujifilm XAdapter · 26.8 mm
- L-MountAdapter · 24.5 mm
- Micro Four ThirdsAdapter · 25.25 mm
- Fujifilm G (GFX)Adapter · 17.8 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 26.5 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.
Other Mounts03
No alternate mounts are indexed for this family yet.