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 u area of aperture.) ( Area u diameter?)
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 u area of aperture.) ( Area u diameter?)
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Please help me sir thanks
Transcribed Image Text: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 u area of aperture.) ( Area µ diameter?)
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