Porst Color Reflex Auto 50mm F/1.7

Specifications01

MountM42

Focal length50mm

Max aperturef/1.7

TypeMirror · Portrait · Prime

Field Notes02

50mm prime lens for M42 mounts with a maximum aperture of f/1.7, suited to general-purpose photography and low-light use. Often sold as a manual-focus standard prime.

AI-assisted summary — verify against linked sources

Catalog note · source: kentfaith

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.