Monday, March 8, 2010

Buying an F Stop

"...So, you're trying to photograph these dancers and they're fast, real fast. Since we don't use flash and you can't control the lights of the theatre, how do you capture a crisp image of the dancers and have it correctly exposed at the same time? You've got a lens with a limitation of 5.6 and it's pretty dark in here. You're shooting at an f-stop of 11 and an ISO of 200. What can you do to increase the lighting without touching the shutter speed which is 1/125?

*Insert "Is this a trick question?" faces here*

"Buy an F-stop guys. Go to an ISO of 400 which means you only have to subtract 2 stops, not three."
"Oh."

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