N°436054 · Family detail
QuestarMirror·T MOUNT mount·1977
Questar 700mm F/8 Mirror
Specifications01
MountT MOUNT
Focal length700mm
Max aperturef/8
TypeMirror · Telephoto · Prime
Release year1977
Weight1815 g
Min focus distance3 m
Max magnification0.25
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodNot required
Production statusDiscontinued
Additional Info02
Lens TypePrime lens
Summary02
Questar 700mm f/8 mirror telescope lens for long-distance viewing. It is a fixed-aperture mirror-type design intended for astronomy/telephoto use on a T-mount.
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.
Sources03
thelensdb.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.