MichiganFarts
TPF Noob!
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- Dec 22, 2010
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- #16
With strobed light (flash) the flash duration stops motion, not shutter speed.
A speed light at full poweer has a flash duration of about 1/1000 second. At lower power settings the duration gets even shorter. an SB-600 at 1/128 power has a flash duration of about 1/40,000 of a second.
You have to be mindful of which of the 2 shutter curtains the strobed light is synced to, and the x-sync speed of your camera (to make sure a shutter curtain isn't in your shot).
Exposure is controlled differently too when using strobed light.
Shutter speed controls the ambient light exposure, and aperture controls the strobed light exposure.
You guys are taking all the fun out of failing...now you're gonna make me try to do it right.