Tamron's Adaptall standard zoom with macro — 35-70mm f/3.5 with interchangeable mount system.
The Tamron 35-70mm f/3.5 CF Macro is a standard zoom with macro capability using Tamron's Adaptall interchangeable mount system. The CF (Close Focus) designation and macro mode add versatility to the basic standard zoom specification.
Optically adequate for its era — typical of consumer standard zooms of the 1980s. The f/3.5 constant aperture is reasonable. Macro mode provides close-focus capability. Manual focus. The Adaptall mount system accepts adapters for many camera systems.
Adaptall mount — interchangeable adapters for Nikon F, Canon FD, Pentax K, Olympus OM, Minolta MD, etc. Manual focus. Metal construction. 55mm filter thread. CF macro mode.
Available used very cheaply. The Adaptall concept was innovative — one lens for any system. Adaptall adapters are increasingly hard to find. For vintage lens collectors who appreciate the interchangeable mount concept.