N°8652151 · Family detail
SigmaMirror·T MOUNT mount·1971
Sigma[-XQ] MF 500mm F/4 Mirror
Specifications01
MountT MOUNT
Focal length500mm
Max aperturef/4
TypeMirror · Telephoto · Prime
Release year1971
Weight3200 g
Filter size37.5 mm
Min focus distance15 m
Optical elements5
Groups5
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Sigma 500mm f/4 mirror telephoto lens for long-distance subjects on a T-mount. Uses a mirror (catadioptric) design, providing a fixed f/4 aperture suitable for limited-light reach and telephoto compression.
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Other Mounts03
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