Автор: kapitancho
Дата: 02-12-11 13:36
На Д80 съм убеден, че вдигаше.
Ето за Д3с какво пише:
Know that if you use your flash with Auto ISO set, it defers to the flash exposure and will only kick in when your subject is beyond the range of your flash. So with flash, it will ignore the minimum shutter speed and defer to the flash sync speed you’ve chosen in custom setting E1 with the D3S. Nice.
и от друго място:
Shooting with a D5000 body or newer (D300S, D700, D3S, D3000, D3100, D7000, etc. I'd turn the AutoISO with flash OFF, because I want to control the ISO. I will underexpose some shots here and there at an event, but I'll live with it, because using AutoISO with flash on these bodies is almost always no different than just setting ISO to what I consider max acceptable anyway.
още мъка:
Page 146 in the manual explains how you have the choice between fill flash and standard flash.
You have to choose spot metering to have "Flash output adjusted to bring lighting in frame to standard level; brightness of background is not taken into account." In other modes, the camera is deliberately setting up for fill.
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That might be what the manual says, but it is NOT what the camera does - at least in Auto ISO mode.
In my tests there was no difference between spot metering, center-weighted metering, and matrix metering. If Auto ISO is "ON", then the camera chooses fill flash only, which essentially leaves the ISO at whatever value was needed for ambient lighting.
The only way to get the camera to emit a "full" flash is to switch to manual ISO (or use "e3" to set manual flash power).
Публикацията е редактирана (02-12-11 13:42)
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