Wollensak Television Raptar 50mm (2") f/1.5 C-mount lens. Serial #C54320. Made in USA. Rare & very interesting Wollensak Television Raptar normal lens with chrome lens barrel. FAST f/1.5 maximum lens aperture. Lens aperture from f/1.5 to f/22. Distance focusing scale marked 0-9 with a focus locking screw.  Lens overall size approx. 40mm wide by 50mm long. Filter size approx. 45mm. Lens is marked in on the barrel 2.04"/51.8mm, and inside of the front 52.3mm E.F.  effective focal length. Lens is in Ex/Ex- or 8 of 10 cosmetic condition. No dings or dents. Smooth focusing. Smooth working lens aperture. Clean glass with some small dust spots inside that can be seen with a flashlight only. One very small scratch in the middle of the front element. Couple of small fine cleaning marks on the rear. Neither of these small marks should affect your images. Overall fairly nice condition for this rare 50mm Wollensak Television Raptar normal lens. Lens is C-Mount for Kodak Cine Special, H16 Bolex, and other 16mm motion picture film cameras. Will also work on mirrorless digital cameras such as the Sony a7SIII, a7RIV, a6300, a6500 with the proper adapter. Will work on micro 4/3 mount digital cameras such as the Panasonic GH-5, GH-4, G9, and Olympus OM-D micro 4/3 digital camera such as the OM-D EM-5II, OM-D EM-1II with the proper adapter. Lens should cover full frame cameras without some vignetting. Lens covers micro 4/3 cameras ok. Lens comes with caps. Don't miss this fairly clean vintage very rare Wollensak Television Raptar 50mm f/1.5 FAST prime lens in nice condition. Hard lens to find. Lens sells with no reserve at a price of $695. I have LOT more vintage "fast" C-mount lenses, Bolex and Arifflex lenses, Kodak, Dallmeyer, Cooke and Angenieux lenses on my eBay Store and web page.