A camera has an f/1.4 lens, meaning the ratio of focal length to lens diameter is 1.4.

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A camera has an f/1.4 lens, meaning the ratio of focal length to lens diameter is 1.4. Find the smallest spot diameter (i.e., the diameter of the first diffraction minimum) to which this lens can focus parallel light with 580-nm wavelength.

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Mar 02, 2020 07:36 AM

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A camera has an f/1.4 lens, meaning the ratio of focal length to lens diameter is 1.4.

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Diameter of the aperture D f N Min...View the full answer

Essential University Physics

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