N°183190 · Family detail
SamyangMirror·T MOUNT mount·2008
Samyang 800mm F/8 Mirror DX
Specifications01
MountT MOUNT
Focal length800mm
Max aperturef/8
TypeMirror · Telephoto · Prime
Release year2008
Weight946 g
Min focus distance3.5 m
Optical elements8
Groups8
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodPH-105S - Screw-type round
TeleconvertersSamyang 2X Converter (Rokinon) → 1600mm F/16
Production statusDiscontinued
Additional Info02
Lens TypePrime lens
Summary02
Samyang 800mm F/8 mirror (catadioptric) telephoto lens for T-mount cameras. Fixed f/8 aperture; intended for long-distance subjects like wildlife or astrophotography where fast primes are not required.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The T-mount mount has a flange distance of 55 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- T-mount lenses fit each camera through a T-adapter made for that camera.
- Sony EAdapter · 37 mm
- Canon RFAdapter · 35 mm
- Nikon ZAdapter · 39 mm
- Fujifilm XAdapter · 37.3 mm
- L-MountAdapter · 35 mm
- Micro Four ThirdsAdapter · 35.75 mm
- Fujifilm G (GFX)Adapter · 28.3 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 37 mm
- Canon EFAdapter · 11 mm
A rear element that sticks out can hit the camera mirror.
- Nikon FAdapter · 8.5 mm
A rear element that sticks out can hit the camera mirror.

Other Mounts03
This lens family is also indexed in 1 other mount.