Mamiya-Sekor 50mm f/6.3 Wide Angle lens. Serial # 11831. Made in Japan by Mamiya. This lens will fit Mamiya Medium Format camera's like Mamiya Universal and  Mamiya Super-23. Lens stops range is f/6.36 - f/32. Leaf shutter speeds range from 1/500- 1 second and B. Close focus down to 3.5 feet or 1 meter. The Mamiya 50mm lens uses 72mm filters. Lens is Ex++/Mint- or 9 of 10 cosmetic condition. Very clean lens with almost no marks around. No dents or dings. Good working shutter. Clean glass. Optics have been cleaned. No coating/cleaning marks on front or rear elements. Smooth focus. Clean and smooth working lens aperture. Nice very clean wide angle lens for your Mamiya Universal of Press 23 Super camera. Includes lens shade, caps, and a cable release. 

Mamiya-Sekor 50mm Viewfinder. Made in Japan. Finder fits on flash shoe. Original Mamiya 50mm viewfinder. Viewfinder is Ex++ or 9 of 10 cosmetic condition. No dents or dings. Almost no marks around. Glass has been cleaned. No separation. The finder has adjustment for parallax.

Lens includes a Mamiya metal lens hood, lens caps, and a cable release. The Mamiya lenses have been known for their quality optics with good sharpness and contrast. Perfect wide angle lens for your Mamiya Universal system camera that is seldom seen especially in this nice very clean condition. Sells with NO RESERVE at a price of $499. I have more Mamiya lenses and accessories, Large Format cameras and Lenses, Vintage and Collectibles and Soft Focus Lenses. More great buys on my other auctions, Ebay Store and Web Page.