Tomioka Tominon C. 5cm F/2
The Tomioka Tominon C. 5cm F/2 is a 5mm wide lens designed for the M42 mount. Manufactured by Tomioka, it offers a maximum aperture of f/2, covering a 5mm focal range. Tomioka Tominon C. 5cm F/2 is catalogued on lens-database.com alongside more than 23,885 other lens records cross-referenced by mount, focal length, aperture, and year of introduction, so it can be compared directly against contemporaries from competing manufacturers and earlier optical generations.
This lens record is part of the open public catalog at lens-database.com — a free, continuously updated database indexing 23,885+ photographic and cinematographic lenses with cross-referenced specifications. Data is aggregated from manufacturer datasheets and authoritative public sources, then normalized so lenses across vendors and eras can be compared on common terms. Released under CC BY 4.0, the specifications shown here may be quoted, cited, or reproduced with attribution to lens-database.com.
Last verified 2026-04-27. Source: manufacturer specifications.
- Mount
- M42
- Focal Length
- 5mm
- Max Aperture
- F/2
- Type
- Wide
- Brand
- Tomioka
What is the Tomioka Tominon C. 5cm F/2?
The Tomioka Tominon C. 5cm F/2 is a 5mm wide lens for the M42 mount with a maximum aperture of f/2. Full specifications and source attribution are available at lens-database.com.
What mount does the Tomioka Tominon C. 5cm F/2 use?
The Tomioka Tominon C. 5cm F/2 uses the M42 mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/m42.
What is the maximum aperture of the Tomioka Tominon C. 5cm F/2?
The Tomioka Tominon C. 5cm F/2 has a maximum aperture of f/2, a fast-aperture optic well-suited to low-light work. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.
Where can I find specifications for the Tomioka Tominon C. 5cm F/2?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/427896-tomioka-tominon-c-5cm-f2. Data is aggregated from manufacturer sources and updated continuously.
A 50mm (5cm) f/2 wide single-focal prime lens for M42 screw-mount cameras, intended for general photography where a wide-to-standard field of view and bright maximum aperture are useful.
Last verified: 2026-04-27