MC Industar-61 L/Z 50mm f/2.8 M42 for Practica Canon Nikon Zenit

Industar-61 L/Z is a normal angle (standard) lens for M42 Zenit, Practica, Pentax, Chinon, Cosina, Yashica, Bessaflex and other SLR cameras with same lens mount. Presented lens is a Soviet version of famous Zeiss Tessar, it has lanthanum optics (index "L"), index "Z" means that this lens dedicated to SLR cameras. It can be used with a lot of digital Micro 4/3 cameras with the adapter. In the main, most all Soviet lenses are exceptionally good and this one is no exception! ITEM'S CONDITION: EXCELLENT+++++ The glass is clean, without scratches or fungus, or cleaning marks. Focusing & aperture are smooth. The lens looks in accurately used condition cosmetically, just examine item's photos please. All functions are available. * Focus: 50 mm. * Angle of view: 46 degrees. * Relative aperture: 1:2.8 * Aperture: from 2.8 up to 16 (without clicks or with the special "memory"). The aperture ring allows to "remember" pre-installed aperture's meaning. This function is activated with the single aperture ring, You just have to press it and the aperture will fixed. * Mounting M42 x 1mm groove, known as Pentax Thread Mount, same with a lot of old SLR cameras (Practica, Chinon, Yashika, Bessaflex etc). * 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: All Sony NEX, Olympus, Panasonic: Lumix DMC-G1, DMC-GH1, DMC-GF1, DMC-G2, DMC-G10, Epson, Samsung and other. * Resolution: (in pairs of lines per 1mm) not less than 42 in the center and 30 on the edge of frame. * Filter mount: groove 49x0.75mm or external 51 mm. * Front part of the lens is don't rotates when You adjust a sharpness, it allows to apply rectangular shape lens hoods. * The lens has built-in "constructive" lens hood and sits inside hard case, thus it well-preserved from extra impacts. * Focusing: from 0.3m to "infinity". * Weight (without case) 225 gr. * Diameter 57 mm. * Length (focused at "infinity") 70 mm. * Made in 1984 year at Litkarino plant LZOS near the Moscow city We are more than happy to welcome any international bidders!!! We ship the item FREE WORLDWIDE! Item will be shipped via Russian Mail service immediately upon receipt of your payment. Shipping time is mostly about 2-3 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. If you need really fast shipping, DHL and UPS are available here, but shipping a metal 35mm camera can cost over $100, thus this kind of shipping is rarely used.