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Fujinon is a brand of optical lenses made by Fuji Photo Film Co., Ltd, now known as Fujifilm. Fujifilm's Fujinon lenses have been used by professional photographers and broadcast stations as well as cinematography. Fujifilm started manufacture of optical glass in its Odawara Factory in Japan in 1940, which was the start of the Fujinon brand. They were proud of their use of expensive Platinum crucibles to get the purest glass achievable at the time. Fujifilm also pioneered Electron Beam Coating (EBC) which according to Fujifilm, represented a new high in lens precision and performance. The EBC process was significantly different from other coating processes by the number of coating, the thinness of the coating, and the materials used for coating. Fujifilm claimed they were able to have as much as 14 layers of coating and used materials such as zirconium oxide, and cerium fluoride, which could not be used for coating in the conventional coating process. The first lens to offer the Electron Beam Coating was the EBC Fujinon 55mm F3.5 Macro in 1972. Light transmission for the coating was said to be 99.8%. EBC later evolved into Super-EBC and HT-EBC (High Transmittance-Electron Beam Coating).
Fujinon-ES is a 4-element line, using a Tessar design.
Fujinon-EP are high-quality enlarging lenses with 6 elements in 4 groups
Fujinon-EX Some consist of 6 elements in 4 groups, some are 6 elements is 6 groups (Fuji's brochure advertised theme this way: "Because our air-spaced element design increases the number of air-to-glass surfaces, thereby increasing corner sharpness and image quality over cemented element designs".) All with Fuji's EBC multicoating (Electron Beam Coating)
50mm 1:2.8, flange mounting screws: 39 P=1/26"
75mm 1:4.5, flange mounting screws: 39 P=1/26"
90mm 1:5.6, flange mounting screws: 39 P=1/26"
105mm 1:5.6, flange mounting screws: 39 P=1/26"
135mm 1:5.6, flange mounting screws: 53 P=0.75
"Fujinon-TV" CCTV Lenses: Manual Fixed for 1" sensors