Using Rear- or Second-Curtain Synchronization
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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.
