This Polaroid Pathfinder Rodenstock-Ysarex 127mm f/4.7 lens comes in a Prontor-SVS shutter with its retaining ring. Its rear thread is 32mm. There are a few scuff marks on the shutter's exterior. All settings adjustments are smooth and all shutter speeds sound correct. There are a couple of cleaning marks on its front element, but its glass is free of any fungus, haze, or separation to its elements. There is no oil on its aperture blades.