Auto Mamiya/Sekor SX 21mm F/4

Specifications01

MountM42

Focal length21mm

Max aperturef/4

TypeWide · Prime

Release year1974

Weight220 g

Filter size58 mm

Min focus distance0.45 m

Aperture blades5

Optical elements9

Groups8

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodNot available

TeleconvertersNot available

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeUltra-wide angle prime lens

Field Notes02

Auto Mamiya/Sekor SX 21mm F/4 is a 21mm prime wide-angle lens for M42 mount, intended for wide-area landscape and general photography. It uses a fixed maximum aperture of f/4.

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Catalog note · source: thelensdb

Sources03

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Other Mounts03

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