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

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 T-mount cameras, using a catadioptric optical design. Suited to long-distance subject isolation where a fixed, narrow aperture is acceptable.

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Catalog note · source: thelensdb

Sources03

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Other Mounts03

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