Auto Mamiya/Sekor SX 90-230mm F/4.5 [I]

Specifications01

MountM42

Focal length90-230mm

Max aperturef/4.5

TypeTelephoto · Zoom

Release year1974

Weight905 g

Filter size58 mm

Min focus distance1.5 m

Optical elements11

Groups8

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

Lens hoodBuilt-in telescopic round

TeleconvertersNot available

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeTelephoto zoom lens

Field Notes02

Mamiya/Sekor SX 90–230mm F/4.5 manual-focus telephoto zoom for M42-mount cameras, intended for distant subjects where a longer focal length range is useful. Likely compatible with common 58mm screw filters.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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Other Mounts03

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