RO-51 PO-51 2.8/20mm Lens For Cinema Movie Kiev-16 Camera M27 Mount 1967

LITKARINO plant, made in USSR RO-51 (PO-51) 20mm F2.8 LENS for SOVIET 16mm MOVIE CINE KIEV-16-C3 CAMERAS ... or may be even for MFT digital cameras if you'll find the adapter for it... ITEM'S CONDITION: EXCELLENT- The glass is clean, without scratches, separations or fungus, but you'll can find very minor cleaning marks on it. Cosmetically the lens is in fine condition... just examine item's photos, please. Aperture blades open and close smoothly (with f-stop clicks), focusing is smooth too. All functions are available. TECHNICAL FEATURES * Brand: LZOS (Litkarino plant of optical glass) * Model: RO-51, 4-element anastigmat. * Focus: 20 mm. * Standard lens for 16mm movie camera with frame size 7.5х10.4 mm. * Coated optics without Russian red symbol "n" (it sounds like P=prosvetlenije, this symbol was removed since beginning of 1960s, when all Russian optics became coated). * Relative aperture: 1:2.8. * Aperture: from 2.8 up to 16 (with f-stop clicks). * Lens mount looks like C-mount, but it is other than C-mount. * Lens mount is special 27x0.5mm screw mount, same with double-lens version Kiev-16-C-3 cameras. * Optical registration (rear distance) 16 mm. * May be it will fit to MFT cameras if you'll find the adapter for it or may be you will rebuild the lens into new casing. The lens can almost cover APS-C frame size, as I saw at example photos found at Internet. * Filter mount: external 36mm and internal 33x0.5 mm screw mount. * Compact and light. * Made in 1967 at Litkarino town near the Moscow city in USSR. THE ITEM COMES WITH Lens #6700241 Original front lens cap (with LZOS plant logo) ABOUT PHOTOS The item pictured is the actual item for sale. You can see exactly what you are buying. SHIPPING We are more than happy to welcome any international buyers! We ship the item FREE WORLDWIDE (exclusions are exists, you can ask Me before purchase to be sure)! Item will be shipped via Russian Post service during 3 days upon receipt of your payment, even you will see tracking number almost immediately. Shipping time is mostly about 4-6 weeks to receive the item as Registered Air Mail package (or by registered and insured Air Mail parcel for heavy items), but sometimes (but not very often) it can be up to two month.