How To Use Anastigmatic lens In A Sentence

• A table of parameters for anastigmatic lenses is included.
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• With an anastigmatic lens working at, say f. 6-3, and with a "speed" film (glass plates are utterly out of the question on the trail), it is possible to make a snap-shot at one twenty-fifth of a second on a clear day, around noon, even in the dead of winter, in any part of Alaska that the writer has travelled in. Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska
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• THERE is no country in which an anastigmatic lens is of more use to the photographer than Alaska, and every camera with which it is hoped to take winter scenes should have this equipment. Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska
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• You are too conscious of the soft focus lens and of the anastigmatic lens. Pictorial Photography in America 1921
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