Most compact Pentax K-mount standard at 55mm f/4, ultra-small SMC-coated prime at budget pricing.
The Pentax SMC 55mm f/4 is a near-normal prime for the Pentax K mount — a slightly longer than standard 55mm focal length. SMC coating. Manual focus. Pentax K mount.
f/4 maximum aperture. 55mm focal length (full-frame near-standard; ~82mm APS-C). SMC coating. Manual focus. Pentax K mount.
The Pentax SMC 55mm f/4 sits between a standard 50mm and short telephoto 85mm. The f/4 aperture is modest but the compact design makes it practical. Compatible with modern Pentax K digital bodies.
On the used market the Pentax SMC 55mm f/4 is an affordable near-normal prime. Condition checks: front element, aperture. Pentax K mount.