PLEASE VAGUELY EXPLAIN!
A camera is equipped with:
Speed: 15, 30, 60, 125, 250, 500, 1000
Frequency: 2.8, 4.0, 5.6, 8.0, 11, 16
a) Which aperture setting permits 8x more light to enter camera than f/8?
b) Which permits 4x less light to enter camera than f/5.6?
c) Which shutter speed permits twice as much light to enter camera as 250?
d) Which permits 1/4 as much light to enter camera as 125?
e) The camera is loaded with ASA 1000 film & a perfect exposure is taken at 500 & f/8. State 2 other combos of settings equivalent to this.
f) Which setting combo in part "e)" would give the greatest depth of field?
g) The photographer changes film to ASA 120. State one combo of camera settings that could be used to take a perfect exposure., assuming there is no change in the available light from the situation in part "e)".
2007-11-19
14:22:38
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2 answers
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asked by
Anonymous
in
Photography