Topcon RE. Auto-Topcor 2.5cm (25mm) f/3.5 wide angle lens. Serial # 931547. Made in Japan by Tokyo Kogaku. Circa 1965. Only approx. 7500 ever produced. 25mm f/3.5 wide angle lens in clean condition. Nice silver finish. Lens in in Ex++/Mint- or 9 of 10 cosmetic condition. No dings or dents. Very little signs of use. F/stop range from f/3.5 to f/22. Close focus down to 6.5" or .16m. Automatic lens diaphram. Rear mounted filers. Front filter size is 62mm. Uses the Topcon/Exakta lens mount. Will fit all top of the line Beseler-Topcon slr cameras like the Topcon D1, Super D, Super DM ect. Will also work on Exa and Exakta 35mm slr film cameras. Can also be used on mirrorless digital cameras like the Sony NEX series- a5000, a6000, a6300, a6500, Sony A7s, A7rIII, Canon R, Nikon Z,  and other mirrorless cameras like the Fuji XT2, X-Pro2, Olympus OM-D, and Panasonic cameras with the proper adapter. Smooth focusing.  Lens has been recently cla'd in October 2023. Good working lens aperture with no oil on the blades. Very clean lens. Clean glass, and lens coating. Nice clean scarce Topcor 25mm f/3.5 wide angle lens in silver finish.  Don't miss this nice 25mm Topcon lens that has been recently serviced in October 2023. Comes with nice condition lens shade, 6(six) rear filters, and caps. This lens sells with no reserve at price of $395. I have many others Topcon Cameras, Lenses and Topcon Accessories, Exakta Cameras, Lenses and Exakta Accessories, Vintage and Collectible Cameras and Lenses on my other Auctions, eBay Store and web page.