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Title: ADON telephoto lens [Go to resource]
Description: Telephoto lens with two achromatic combination, the front lens being a positive lens with a focal length of 4 1/2 inches and a back negative lens with a focal length of 2 1/4 inch. Covers plate of any size up to 15 x 12 inches. Dallmeyer c.1905 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telephoto lens Temporal: c.1905 Source: Science Museum Creator: J. H. Dallmeyer Ltd Identifier: 1979-559/1350 Go to resource More Like this...
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