INDUSTAR-50 50mm f3.5 lens M39 LTM for Leica Zorki FED Bessa camera Tessar 1960

KMZ plant, KRASNOGORSK, 1960s OLD VERSION with RED P! INDUSTAR-50 LENS FOR M39 LEICA THREAD MOUNT (LTM) RANGEFINDER CAMERAS One of sharpest lenses between Soviet Tessar's copies!!! ABOUT ITEM'S ORIGIN (You can SKIP it!) Industar-50 is a normal angle (standard) coated LTM lens for Leica, FED, Zorki, and other rangefinder cameras. I can't be sure that You'll can mount it on Bessa RF cameras, because in combined situation rear part of lens can "meet" with one of internal parts of this cameras, learn more about it from other experts, please. ITEM'S CONDITION: EXCELLENT- The glass is very clean, without scratches, separations or fungus, but some minor cleaning marks or pieces of dust inside can be found. Cosmetically the lens is in fine condition... just examine item's photos, please. Aperture blades open and close smoothly, focusing is smooth too. All functions are available. TECHNICAL FEATURES * Focus: 50 mm (52.4mm exactly). * Angle of view: 45 degrees. * Coated optics with 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: 1:3.5. * Aperture: from 3.5 up to 16 (without clicks). * Mounting: M39 (LTM). * Resolution (in pairs of lines per 1mm): not less than 38 in the center and 32 lines on the edge of frame. * Filter mount: external 35mm and internal 23x0.5 mm screw mount. * Compact and light. * Old collapsible version. * Made in 1960s at KMZ plant at Krasnogorsk town near the Moscow city (the plant has a special symbol). THE ITEM COMES WITH Lens "Industar-50" #8041871 Original front lens cap 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, but you will see tracking number almost immediately. Shipping time is mostly about 4-6 weeks to receive the item as Registered Air Mail package with the tracking number (or by registered and insured Air Mail parcel for heavy items), but sometimes (but not very often) it can be up to two month.