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Characteristics, tendencies and application of variable automatic program mode
a)Preset shutter speeds between 4s and 1/15 s: Program for depth of field
Stendency toward stopping down the lens while keeping shutter speeds low
Sespecially suitable for: good lighting conditions, short focal lengths, stationary subjects
Scaution: beware of increased danger of camera shake in poor light.
b)Preset shutter speed 1/30 s: normal program
Sespecially suited for normal scenes and light conditions
Sfocal lengths between 35mm and 90mm
c)Preset shutter speed 1/60 s to 1/2000 s: program for action shots
Stendency towards higher shutter speeds (shorter exposure times) with larger apertures - less depth of field
Sespecially suitable in poor light, longer focal lengths and moving subjects
Scaution: less depth of field
Rule of thumb: to avoid camera shake with hand- held exposures as much as possible, set a shutter speed that numerically at least equals the 1/f- value (f= focal length in mm), i.e. the lens's focal length. For instance, when using a 180mm lens, choose shutter speeds faster than 1/180 s, e.g. set the shutter speed to dial to "250" (1/250 s).
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