CONTAX CARL ZEISS BIOGON 21MM F4.5 RANGEFINDER LENS +CAPS +VIEWFINDER VERY NICE!

Description -Serial #1136764 -Desirable hard to find wide angle Contax rangefinder mount lens with the rear protruding element design -Matching Zeiss 435 21mm optical viewfinder -Classic wide angle lens for your vintage Contax rangefinder system -Made in Germany Details -5 element design -90° angle of view -40.5mm filter mount -Aperture range: f4.5 - f22 Includes -Front and rear lens caps -21mm viewfinder Cosmetics 9/10 -No dings, dents or major marks -Barrel shows modest signs of use -Viewfinder is clear, no finish loss Mechanics 9/10 -Focusing is smooth -Aperture ring is smooth Optics 8.5/10 -No fog, fungus, separation or scratches -Viewfinder is clean and clear Optically this is an outstanding lens The all time classic and fantastic BIOGON design. Brilliant is so many respects  A pleasure to have and enjoy especially complete with its caps and finder in this condition