Flash Characteristics In Each Exposure Mode - Pentax K20D Operating Manual

Flash Characteristics in Each
138
Exposure Mode
Using the Flash in b (Shutter Priority) Mode
• When taking a moving subject, you can use the flash to change the blur
effect.
• Any desired shutter speed 1/180 sec. or slower can be set for taking a
flash photograph.
• The aperture value automatically changes according to the ambient
brightness.
• The shutter speed is locked at 1/180 sec. when lens other than DA, D
FA, FA J, FA, F or A is used.
Using the Flash in c (Aperture Priority) Mode
5
• You can set the desired aperture to take a flash photograph when you
want to change the depth of field or shoot a subject farther away.
• The shutter speed automatically changes with the ambient brightness.
• The shutter speed shifts automatically anywhere from 1/180 sec. to a
slow shutter speed (p.54) that reduces camera shake. The slowest
shutter speed depends on the focal length of the lens in use.
• The shutter speed is locked at 1/180 sec. when lens other than DA, D
FA, FA J, FA or F is used.
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