This Carl Zeiss Tessar 100mm f/3.5 large format lens comes in a Graflex Synchro-Compur shutter. It does not come with a retaining ring, There are a couple of scuff marks and scratches on its exterior (please see photos). There is a light haze inside of it and on the coating of the front element. All settings adjustments are smooth. The bulb setting does not function properly. All shutter speeds sound correct.