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BASIC OPERATION
(PREPARATION)
BASIC OPERATION
(SHOOTING)
ADVANCED OPERATIONS
OTHERS
2.Calculating the aperture according to the camera-to-subject
distance
Aperture = Guide Number ÷ Camera-to-subject distance
If the calculated aperture value is different than an indicated f-
stop, for instance f/3, choose the next smaller aperture value.
(f/2.8 in this case).