?Variation occurs in a formula from photography. In (a) What would an appropriate F-stop
Chapter 3, Problem 52(choose chapter or problem)
Variation occurs in a formula from photography. In
(a) What would an appropriate F-stop be for 200 ASA film and a shutter speed of sec when 500 footcandles of light is available?
(b) If 125 footcandles of light is available and an F-stop of 2 is used with 200 ASA film, what shutter speed should be used?
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