Vintage manual focus telephoto prime lens for Tamron Adaptall-2 mount system.
The Tamron Adaptall-2 135mm f/2.5 is a fast short telephoto prime using Tamron's Adaptall-2 interchangeable mount system, allowing a single lens body to be used across multiple camera mounts by swapping Tamron Adaptall-2 adapters. The f/2.5 maximum aperture is between the common f/2.8 and f/2 options, providing good low-light performance.
135mm focal length, f/2.5 maximum aperture, Tamron Adaptall-2 mount (requires camera-specific Tamron adapter), manual focus.
The Adaptall-2 system's flexibility is its primary feature — one lens body works across Canon FD, Nikon F, Minolta MD, Pentax K, and other systems with the appropriate Tamron Adaptall-2 adapter. The f/2.5 aperture provides good subject isolation at portrait telephoto distances. A practical and affordable multi-system telephoto.
Confirm a compatible Tamron Adaptall-2 adapter for your camera mount is included. Inspect for fungus, haze, and coating condition. Check aperture blades. Test focus helicoid smoothness.