Leica  DUAL RANGE Summicron-M 50mm f/2 CLOSE FOCUS rangefinder lens. Serial #1834398. Made in Germany. Circa. 1961. Leica Catalog 11918M. Perfect for Leica M2, M3, M4, M4-P and Leica M5. Could be use on Leica M8, M9, M10 (rangefinder focusing) and Leica M240 (live view mode) for MACRO shooting only. The Rangefinder Eyes will provide correct parallax view for Macro / CLOSE-UP work only. WILL NOT focus on infinity on digital Leica M cameras. No separation in the "eyes", but one very small minor chip in the rectangular eye that will have no affect on your viewing. Could be used on digital MIRRORLESS camera's like: Olympus OM-D, Panasonic G9, Panasonic GH-5, Fuji X-Pro3, XE-3 and Fuji XT-2, Sony NEX-6000, Alpha NEX 5000 and full frame Sony A-7rIV with the proper adapter. Aperture from F/2 to F/16. Focusing from 48cm. Scales are in feet & meters. Filter size is E39. Lens is in Ex++ or 9 of 10 cosmetic condition. NO dents or dings. Couple of very small marks around on the barrel. Very clean glass. Front element does have a couple of very small almost undetectable fine cleaning/coating marks on the front element that can be seen with a flashlight only. These couple of coating/cleaning marks are very fine, and will not affect your images. Smooth lens focusing. Smooth working aperture blades with no oil on them. Clear scales. Comes with a Leica box (non matching serial number), Leitz 39mm skylight filter, and Caps, Close-up "eyes". Very nice example of the Leica 50mm D.R. lens with super clean optics. Don't miss this one! Sells with NO RESERVE at price of $1475.  I have LOT of other Leica M vintage cameras and Leica M and TM lenses, Leica R lenses, Leica Copies, 35mm Rangefinder and Vintage and Collectibles. There are always unique & unusual items on my other Auctions, eBay Store and Web Page.