This antique Scientific Lens Co. 6'' (152mm) f/6.8 brass lens in Wollensak shutter comes with its mounting ring and screws. Its rear diameter is 45mm. There are a couple of light scuffs and scratches on its exterior. The shutter fires correctly at 1/100, B, and T. It fires at the same speed on all other settings. Its glass is exceptional with no fungus, haze, or separation to its elements.
