INDUSTAR-50 50mm f3.5 lens M39 M42 Zenit Pentax camera KMZ 1960 Red P Tessar

KMZ plant 1960 INDUSTAR-50 50mm F3.5 LENS for M39 ZENIT KRISTALL START SLR CAMERA and for M42 ZENIT PRACTIKA PENTAX cameras with extra M39/M42 adapter ... or for a lot of other SLR with 42mm lens mount... and more SLR's DSLR's & MTF's via well-spread lens adapters! ABOUT ITEM'S ORIGIN (You can SKIP it!) Industar-50 is a normal angle (standard) coated lens issued at USSR since 1950s years for RF Leica copies, then for SLR Zenit cameras... very simple, compact and sharp... just one of Zeiss Tessar copies. ITEM'S CONDITION: EXCELLENT- The glass is clean, without scratches, separations or fungus, but very minor cleaning marks at optical elements or pieces of dust inside can be found. It will not really impact on image quality (see the note below, please). 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 * Brand: KMZ * Model: Industar-50 * Focus: 50 mm. * Angle of view: 46 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). The aperture scale rotates during focusing, and for best aperture control You'll see two similar aperture scales on it. * Mounting: M39x1mm groove, usual for old Soviet SLR cameras like Kristall, Zenit, Zenit-S, Zenit-3M, Start (with adapter). * Optical registration: 45.2 mm. It still 39 mm mount, but the optical registration is different from the Leica type (LTM) lenses for RF cameras. You will not receive focusing on infinity with RF camera or LTM lens adapter (such LTM systems have 28.8 optical registration). * You'll can mount this lens to latest SLR cameras with M42 lens mount (known also as Pentax Screw Mount), same with huge quantity of lenses for old Practica, Pentax, Yashica, Cosina etc. Just apply simple M39/M42 adapter. * The lens is well-applicable for digital cameras with Micro 4/3 system and other with working distance 45.5mm and less, with the use of adapters. You will have to use two adapters together: simple M39/M42 adapter + adapter between M42 and your camera. * Filter mount: groove 33x0.5mm. * Focusing: from 0.65m to "infinity". * Weight (without case and lens caps) 75 gr. * Diameter 50 mm. * Length (focused at "infinity") 28 mm. * The lens have silver finishing. * Made at Krasnogorsk town near the Moscow city (it has the special symbol). * The lens was made in 1960, all Russian Zenit cameras had M39 lens mount at this time. THE ITEM COMES WITH Lens #6001829 only 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.