What is the maximum stop rating of a camera lens having a focal length of +10 cm

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What is the maximum stop rating of a camera lens having a focal length of +10 cm and a diameter of 2.0 cm? If the correct exposure at f/6 is (1/90) s, what exposure is needed when the diaphragm setting is changed to f/9?

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Schaums Outline Of College Physics

ISBN: 9781259587399

12th Edition

Authors: Eugene Hecht

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Question Posted: Nov 04, 2023 12:07 AM

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What is the maximum stop rating of a camera lens having a focal length of +10 cm

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