Ricoh Rikenon 21mm F/3.8

Specifications01

MountM42

Focal length21mm

Max aperturef/3.8

TypeWide · Prime

Weight290 g

Filter size72 mm

Min focus distance0.3 m

Aperture blades6

Optical elements9

Groups8

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

TeleconvertersNot available

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeUltra-wide angle prime lens

Field Notes02

Ricoh Rikenon 21mm F/3.8 is a fixed 21mm prime wide-angle lens for M42 screw-mount cameras, intended for general wide views and street/landscape use. It has a maximum aperture of f/3.8.

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Catalog note · source: thelensdb

Sources03

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Other Mounts03

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