Doubling the aperture diameter of a camera lens will change the f-number by what factor?
A) 1/4
B) 1/2
C) 2
D) 4
E) 1/3
Correct Answer:
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Q7: A camera is used to photograph the
Q8: A low f-number
A)allows a smaller depth of
Q9: A camera lens is initially set at
Q10: A camera uses a
A)converging lens to form
Q11: A converging lens will be prescribed by
Q13: Using a camera with a fixed focal
Q14: What is the f-number of a camera
Q15: The pupil of the eye increases in
Q16: The ciliary muscle of the eye is
Q17: Changing the f-number of a camera by
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