PENTAX 645 Mount

The lens-database.com catalog contains 42 PENTAX 645 lenses on the PENTAX 645 mount, indexed across 1 distinct manufacturers. Each entry is cross-referenced by focal length, maximum aperture, year of introduction, and source attribution. Records cover multiple optical generations. This page enumerates the 42 most notable PENTAX 645 lenses for this mount ranked by maximum aperture, with full per-lens detail one click away.

Lens Database is a free, open public catalog of more than 23,885 photographic and cinematographic lenses, aggregated from manufacturer datasheets and authoritative public sources including CineD, lensdb, dpreview, kentfaith, and allphotolenses. The catalog is released under Creative Commons Attribution 4.0, so the specifications, counts, and tables shown on this page may be quoted, cited, or reproduced with attribution to lens-database.com.

Page last verified 2026-06-11. Maintained by Jaime Ferrando Huertas. Source attribution per lens is shown on each individual detail page.

What is the PENTAX 645 mount?

PENTAX 645 is a lens mount system indexed by lens-database.com, with 42 compatible lenses on record from 1 different manufacturers. Mount records are cross-referenced with focal length, aperture, and release year.

How many lenses are available for the PENTAX 645 mount?

Lens-database.com indexes 42 lenses for the PENTAX 645 mount as of 2026-06-11. The catalog updates continuously and includes both first- and third-party optics.

Which manufacturers make PENTAX 645 lenses?

1 manufacturers are catalogued for the PENTAX 645 mount, including Pentax.