Sigma[-XQ] MF 500mm F/8 Mirror

Specifications01

MountT MOUNT

Focal length500mm

Max aperturef/8

TypeMirror · Telephoto · Prime

Release year1967

Weight1100 g

Filter size77 mm

Min focus distance4 m

Optical elements5

Groups5

AutofocusNo

StabilizationNo

Aperture controlNone

Lens hoodBuilt-in telescopic round

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeSuper telephoto prime lens

Field Notes02

Sigma 500mm f/8 mirror lens for a telescope-like telephoto reach, used with T-mount cameras/adapters. Fixed f/8 aperture; suited for distant subjects such as wildlife or astronomy.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.