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SteveDallas · 05-16-2008, 12:38 AM

There are two basic ways. Change the size of the hole the light's going through. (Many camera lenses have a variable aperture.) Or, change the amount of time the shutter is open.

05-16-2008, 12:38 AM	#7
SteveDallas Your Bartender Join Date: Jan 2002 Location: Philly Burbs, PA Posts: 7,651	There are two basic ways. Change the size of the hole the light's going through. (Many camera lenses have a variable aperture.) Or, change the amount of time the shutter is open.