The Yashica DSB 135mm F/2.8 lens is a discontinued medium telephoto prime lens with a Contax/Yashica mount. It has a maximum format of 35mm full frame, manual focus only, and a 55mm filter size. Contax/Yashica (C/Y) lenses are manual-focus lenses with a common bayonet-style mount. The Yashica DSB 135mm F/2.8 lens is a short tele/portrait, telephoto/long lens A 135mm lens can be used for a variety of shots, including portraits, landscapes, street photography, and products. 

Looks like new, no dust, scratches, fungus or haze or balsam separation.
Lens is in excellent cosmetic condition with a few minor scratches
Focus and aperture ring turn smoothly
Front and end caps are included.