This vintage Carl Zeiss Jena Tessar 13.5cm 135mm f/6.3 lens comes in a Compur shutter with its retaining ring. There are a couple of light scuff marks and scratches on its exterior, and there is a light haze inside of it. Its glass is free of any fungus or separation to its elements. There is no oil on the aperture blades. Its rear diameter is 31mm.