Canon Film Chamber FN-100. Made in Japan. Serial # 101591. The Canon Film Chamber FN-100 is a 100 exposure film back to fit onto the newer Canon F1n 35mm slr film camera, and to be used with a Canon F1n motor drive. You get 100 exposures per specially loaded cassette. NO film cassettes are included with this Film Chamber FN-100 film back. This Canon Film chamber FN-100 is in Mint/Mint- or 9.5 out of 10 cosmetic condition. Excellent clean condition. Overall Mint condition with almost no signs of use. FN-100 film back only. NO film cassettes. This nice Canon Film Chamber FN-100; 100 exposure film back for the newer Canon F1n motor drive in minty- condition sells with no reserve at a price of $245. I have more Canon cameras, lenses, accessories, 35mm Rangefinder cameras and lenses,  Medium and Large Format cameras, on my other Auctions, web page and E-Bay Store.