> O List (with apologies if it's a dumb question) -- > > Here's a hypothetical situation: I want to shoot > some waterfalls and other moving water using > ISO 50 transparency film, and want to slow the > shutter speed to get a nice blur on the water. > Conventional wisdom says an ND filter (assume > a 2-stop) is how this is done. > > So does one meter the scene before or after the > ND is in place, i.e., adjust exposure for the > desired medium tone, put the filter in place, and > then slow the shutter by 2 stops? Or simply meter > through the filter and use the desired shutter speed > (1/4 to 1/2 sec?) as a baseline for adjustment? > > Any hints or tips would be appreciated.
I generally use a polarizer filter to cut reflections on the foliage, rocks etc and meter with the filter on the lens. You'll want a shutter speed of at least half a second. Tom Reese
