# Mir-1B 37mm f/2.8

- Brand: Vologda (USSR)
- Mount: M42
- Focal length: 37mm
- Max aperture: f/2.8
- Optics: 6 elements / 5 groups
- Min focus: 0.7 m
- Filter thread: 49mm
- Production: c. 1970s-1990s

Descendant of the Mir-1 that took a Grand Prix at Brussels 1958, a Flektogon-derived wide. The B-series Vologda production is the common M42 version and a bargain classic.

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Source: ShutterFile (https://shutterfile.com/m42/mir-1b-37-2-8/). Production dates are catalog-era approximations (c. = circa); independent reference, not affiliated with any manufacturer.