Wednesday, December 9, 2009

SB-900 and iTTL

Speaking of the SB-900 (see previous post), I shot the kids dance studio performance this past Saturday. I used the SB-900, on camera, with iTTL. This is the primary reason I bought the SB-900. Over 400 shots and the SB-900 never let me down.

At 120mm and f/5.6
D7A_2291

or 78mm, up close and wide open at f/2.8
D7A_2395

Didn't have to touch a thing, just keep shooting.

Some tips. With any hot shoe flash, the more power you push, the longer it will take to charge up before the next shot. In situations where you may need a few rapid shots, you can't afford to shoot at 3/4 or full power because couple of seconds is like a life time in a fast pace shoot. To help reduce the amount of power you need from the flash, shoot at ISO 400. With the D700 (I love this camera), ISO 400 is a no brainer. Heck, you can push it up to ISO 800 and still get awesome low noise, high quality shots.

You can also open the lens up. The difference between f/2.8 and f/4 is one stop. It is basically the difference between ISO 200 and ISO 400. Just be aware of how much ambient light you want in on your shot. Don't forget the Triangle!

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