Karl Gener 135mm F/2.8 Auto
The Karl Gener 135mm F/2.8 Auto is a 135mm telephoto lens designed for the M42 mount. Manufactured by an unspecified manufacturer, it offers a maximum aperture of f/2.8, covering a 135mm focal range, accepts 55 filters. Karl Gener 135mm F/2.8 Auto 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
- 135mm
- Max Aperture
- F/2.8
- Type
- Telephoto
- Brand
- Unknown
What is the Karl Gener 135mm F/2.8 Auto?
The Karl Gener 135mm F/2.8 Auto is a 135mm telephoto lens for the M42 mount with a maximum aperture of f/2.8. Full specifications and source attribution are available at lens-database.com.
What mount does the Karl Gener 135mm F/2.8 Auto use?
The Karl Gener 135mm F/2.8 Auto 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 Karl Gener 135mm F/2.8 Auto?
The Karl Gener 135mm F/2.8 Auto has a maximum aperture of f/2.8, a standard pro-grade aperture. 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 Karl Gener 135mm F/2.8 Auto?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/96104-karl-gener-135mm-f28-auto. Data is aggregated from manufacturer sources and updated continuously.
135mm prime lens with a maximum aperture of f/2.8 for the M42 mount, intended for portrait/telephoto-style shooting. “Auto” indicates an aperture/diaphragm control compatible with automatic operation on M42 bodies.
Last verified: 2026-04-27