Carl Zeiss Sonnar 85mm f2, a renowned medium telephoto lens for the Contarex mount.
This particular example features a helicoid ring with an aluminum bare-metal finish.
Introduced in 1958, a total of 7,585 units were produced by 1973.
This lens was made in 1973, one of the final production year pieces.
It has a 3-group, 7-element optical design, a minimum focusing distance of 80 cm, and weighs approximately 360 g.

There are slight scratches on the aluminum part of the helicoid ring, but otherwise it shows very little signs of use and the barrel is in excellent condition. The white and red index markings remain clear and vivid.
Fully overhauled in October 2025. The helicoid ring offers a perfectly balanced torque, neither too light nor too heavy.
The front element shows minor coating deterioration and light cleaning marks, but these have little to no effect on photography. The test shots produced excellent results.
Comes with genuine front and rear caps.