Hasselblad 16 Extension Tube. Hasselblad Catalog # 40541. Circa 1977. Second Version. Will work with any Hasselblad CF, F, CFi, CFe and F series lenses. Also extension tubes can be used in combination with each other, with the Proxar close-up lenses, or with the Automatic Bellows Extension. Extension Tube will fit cameras like Hasselblad 500CM, 501C, 501CM, 503CXi, 500ELX, 503ELX, 503CW, 201F, 203FE, 2000 FC/M, Flex Body.  The Hasselblad 16mm extension tube is in Ex- or 7.5 of 10 cosmetic condition. Small marks around. NO dents or dings. Nice USER condition 16 Extension Tube for your Hasselblad lenses. Nice accessory to have for close up, and macro photography. Sells with NO RESERVE at price of $50.  I have LOT MORE Hasselblad Extension Tubes, Hasselblad cameras, 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.