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2.
Pull the built-in reflector and diffuser
panels all the way out of their slot in the
flash head. Push the diffuser back in
while leaving the reflector extended.
Using Rear- or Second-
Curtain Synchronization
When you photograph a moving subject with a slow (1/30 second or longer) shutter speed and a flash, the
flash will freeze the moving subject and the long exposure will cause motion blur and light trails to appear in
the image, especially in low light.
This "slow-sync" flash technique, also referred to as "dragging the shutter," can be applied in two different
ways: The flash can be synchronized with the camera's shutter release so that it fires at the beginning of the
period when the shutter opens, or it can fire near the end of that period.
Using Rear- or Second-Curtain Synchronization
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