Mamiya/Sekor 400mm F/6.3

Specifications01

MountM42

Focal length400mm

Max aperturef/6.3

TypeTelephoto · Prime

Release year1966

Weight935 g

Filter size72 mm

Min focus distance9 m

Optical elements3

Groups3

AutofocusNo

StabilizationNo

Aperture controlPreset ring + Aperture ring

Lens hoodScrew-type round

TeleconvertersNot available

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeSuper telephoto prime lens

Field Notes02

Telephoto prime lens with a 400mm focal length and maximum aperture of f/6.3, intended for long-distance subjects such as sports, wildlife, and distant portraits. M42 mount.

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Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

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kentfaith.esVisit ↗

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Other Mounts03

No alternate mounts are indexed for this family yet.