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km6xz

St Petersburg, RU
3571 posts

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"RE: noise, upgrade?"

km6xz Moderator Awarded for his in-depth knowledge in various areas, including Portraits and Urban Photography Nikonian since 22nd Jan 2009
Fri 28-Dec-12 02:45 AM

Hi George,
I was a little confused with some of the questions.
The AF assist light only works in AF-S mode and does not work when the flash is used as a slave off-camera.
I do not get the answer about have pressing the shutter release. Sure that means the AF Assist light will activate but so will the flash when the shutter is depressed fully when you do want the shot. I assumed you do not want the flash to fire, even the CLS pre-capture burst commands? The only way to keep the flash from firing in that mode is turning it off.
There is a lot of confusion about Assist lights using remove slaves. It does not work because the communications link between the camera and slave exists solely through the coded light pulses emitted by the built-in flash and the slave flash responses in level reference flashes.
I still think your best bet is to use a fast prime and high ISO and as low a shutter speed as needed for the scene to freeze action. with many actions, pretty slow speeds can be used. An example is a movement's resolution, before beginning another movement sequence, action stops momentarily, or at the apex of a lift, actual movement is slow. A good frozen action frame could be had at 1/60th or even less if you caught the transition point between movements. For full speed leaps on the rise, 1/250 would work.
You could try an experiment, shoot with no additional lighting and on one shot use bounce flash even if the director is against it and put it into her corner....which will she be happy with. If she wants the no-flash version but you are not comfortable with letting your reputation be determined by her whims, I would suggest she hire a pro with a D4 and $85/hour. It is her choice. When given a bad choice, the advantages of not being a pro is being able to walk away from a situation you are not comfortable with. At the very least, if she is insistent and you still want to do it if the suggestions here are not suitable, ask her to rent a D3s or D4 for you for the sessions. A D800 or D600 could come close and be a lot cheaper to rent.
Here is a shot, the only one I tried in a much worse lighting situation last week when I was still in San Francisco. Needed wide open 85 f1.4, at 1/100 SS in a almost pitch black pub with no interior lights on in the evening. The only light was back light through a window of dim street lights....behind the subject. ISO 12,000 on a D800:
Stan
St Petersburg Russia

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This is a hot, active topic! noise, upgrade? [View all] , GeorgCantor Silver Member , Mon 10-Dec-12 12:41 AM
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