Manual focus telephoto prime lens for Pentax K-mount cameras.
The Pentax 135mm f/2.8 MF is a manual focus telephoto prime for the Pentax K bayonet mount, providing a classic portrait telephoto perspective. The fast f/2.8 maximum aperture at 135mm enables shallow depth of field and good low-light performance for portrait and sports photography.
135mm focal length, f/2.8 maximum aperture, manual focus (MF), Pentax K bayonet mount.
The 135mm f/2.8 on Pentax K is a practical portrait telephoto delivering smooth bokeh and flattering subject compression. Compatible with all Pentax K-mount cameras including modern digital bodies. Good sharpness from f/2.8 with excellent performance from f/5.6.
Inspect for fungus, haze, and coating condition. Test focus helicoid smoothness. Confirm K-mount engagement. Check aperture blades for oil-free operation.