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The top documents tagged [focus lenses]
Uk H4 D 40 Prel4
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Ophthalmic instruments care and maintenance
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Telescopes and Detectors The most important property of a telescope? No, it’s not it’s “power” or magnifying ability, it is…… Its Light Gathering power!
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FILM STUDIES: A BRIEF OVERVIEW 19 th Century: rise of photography, which is soon made available to middle-class consumers. In 1896 Henri Bergson’s Matter
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