sync speed

NPhoto - - Over To You -

Fiona says… Laura had set a shut­ter speed of 1/250 sec, but was get­ting a dark band in her im­ages; this was the shut­ter cur­tain mov­ing across the frame, and I ex­plained that the shut­ter speed needed to be slower to sync with the lights; 1/125 sec en­abled it to re­main open long enough for the en­tire ex­po­sure. I also sug­gested set­ting ISO to 200, as this would en­able her to use the lights on a lower power.

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