A 53.0-mm camera lens is set at an f-number of f/3.8. The photographer would like to decrease the intensity of the light coming into the camera by a factor of 2.17. What f-number should he select for this? (Intensity µ area of aperture.) ( Area µ diameter2)
A 53.0-mm camera lens is set at an f-number of f/3.8. The photographer would like to decrease the intensity of the light coming into the camera by a factor of 2.17. What f-number should he select for this? (Intensity µ area of aperture.) ( Area µ diameter2)
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A 53.0-mm camera lens is set at an f-number of f/3.8. The photographer would like to decrease the intensity of the light coming into the camera by a factor of 2.17. What f-number should he select for this?
(Intensity µ area of aperture.) ( Area µ diameter2)
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