Prime By Pentax · pentax-k · Pentax-A
The SMC Pentax-A 50mm F1.2 is a fast standard prime lens for the Pentax K mount. As a Pentax-A series lens, it supports auto exposure when paired with a camera body that supports the A position on the aperture ring. It is well suited to shooting with the bright F1.2 aperture, as well as portraits and snapshots with a standard angle of view.