Third-party 135mm f/2.8 macro telephoto lens for Pentax K-mount.
The Makinon 135mm f/2.8 Macro-Telephoto is a third-party telephoto lens marketed under the Makinon brand for the Pentax K mount, produced during the 1970s–1980s when the K mount supported a wide range of third-party manufacturers. Makinon lenses were entry-to-mid-tier optical products incorporating a macro switching feature for close-focus capability.
135mm focal length, f/2.8 maximum aperture, macro close-focus capability, Pentax K bayonet mount, manual focus.
The Makinon 135mm f/2.8 provides a fast aperture at the classic portrait telephoto focal length combined with close-focus macro capability. Build quality and optical performance are functional for general photography. Compatible with all Pentax K-mount bodies including modern DSLRs via standard bayonet mounting.
Inspect for fungus, haze, and coating condition. Test macro switching mechanism. Confirm K-mount engagement. Check aperture blades for oil contamination.