N°102911 · Family detail
LeicaTelephoto·LEICA R mount·1987
Leica APO-Telyt-R 400mm F/2.8
Specifications01
MountLEICA R
Focal length400mm
Max aperturef/2.8
TypeTelephoto · Prime
Release year1987
Weight5800 g
Min focus distance4.7 m
Optical elements11
Groups9
AutofocusNo
StabilizationNo
Lens hood12545
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Leica R-mount fixed (prime) 400mm f/2.8 APO-Telyt-R telephoto lens designed for low-light sports/wildlife and subject isolation. It uses an apochromatic optical design for color correction.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Leica R mount has a flange distance of 47 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 29 mm
- Canon RFAdapter · 27 mm
- Nikon ZAdapter · 31 mm
- Fujifilm XAdapter · 29.3 mm
- L-MountAdapter · 27 mm
- Micro Four ThirdsAdapter · 27.75 mm
- Fujifilm G (GFX)Adapter · 20.3 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 29 mm
- Canon EFAdapter · 3 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.

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