Pentax's finest super-telephoto, A* 300mm f/4 with ED glass — the pinnacle of K-mount optical engineering.
The Pentax SMC Pentax-A* 300mm f/4 is a premium telephoto prime for the Pentax K mount. The star (*) designation = Pentax's top-tier lenses with ED (extra-low dispersion) glass for reduced colour fringing. A-series with A-position for program AE. Pentax K mount.
f/4 maximum aperture. 300mm focal length (full-frame super-telephoto). SMC coating. ED glass (*-series). A position for program AE. AF (body-drive) compatible. At approximately 1130g. Pentax K mount.
The Pentax-A* 300mm f/4 is a high-quality telephoto prime for wildlife and sports on Pentax K cameras — the * designation indicates the premium ED glass for colour-accurate rendering at 300mm. The A-position enables program AE. Compatible with modern Pentax K digital bodies.
On the used market the Pentax SMC-A* 300mm f/4 is a sought-after premium vintage telephoto. Condition checks: front element, ED glass for fungus, focus ring. Pentax K mount.