N°109671 · Family detail
KalimarMirror·T MOUNT mount
Kalimar 300mm F/5.6 Mirror
Specifications01
MountT MOUNT
Focal length300mm
Max aperturef/5.6
TypeMirror · Telephoto · Prime
Weight207 g
Min focus distance3 m
Optical elements7
Groups4
AutofocusNo
StabilizationNo
Aperture controlNone
Production statusDiscontinued
Additional Info02
Lens TypePrime lens
Summary02
Kalimar 300mm f/5.6 mirror lens (prime) for telephoto use, using a mirror design to reach long focal lengths at a lighter size. T-mount system.
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
No alternate mounts are indexed for this family yet.