Bernhard Walzl Posted March 23, 2011 Share Posted March 23, 2011 (edited) Hello! I recently had a discussion about manual white balance and we did not came up with a right answer. When performing a manual white balance on a camera, one holds a white board in front of the camera. The question is: Has the board to be in focus? Of course it is rather difficult to focus on a totally white surface but there are scratches, borders, etc. Please explain your answer briefly. Thank you for your help, Bernhard Walzl Edited March 23, 2011 by Kapabel Link to comment Share on other sites More sharing options...
Brian Drysdale Posted March 23, 2011 Share Posted March 23, 2011 Focus isn't important, but it can't be over exposed, that's important Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted March 23, 2011 Premium Member Share Posted March 23, 2011 Most cameras will complain if it's overexposed - mine says "AWB NG OVER", for instance (or UNDER for the opposite circumstance). Oddly, professional cameras tend to refer to manual white balance as AWB or "Automatic White Balance", because it's more automated than manually selecting RGB gain, gamma and pedestal... the sort of thing that domestic cameras call "auto white balance" is usually ATW or Automatic Tracking White. Here endeth the Phil trivia lesson. P Link to comment Share on other sites More sharing options...
Premium Member Adrian Sierkowski Posted March 23, 2011 Premium Member Share Posted March 23, 2011 In the name of the Phil, the Not so Phil, and the Full of Phil, Amen. Link to comment Share on other sites More sharing options...
Brian Drysdale Posted March 23, 2011 Share Posted March 23, 2011 In the name of the Phil, the Not so Phil, and the Full of Phil, Amen. Yeah, just quicker to avoid having a camera back chatting you with messages. Link to comment Share on other sites More sharing options...
Paul Tackett Posted May 28, 2011 Share Posted May 28, 2011 Focus on the corner of the board. Then move the camera to the center. This is how I have always seen it done. Link to comment Share on other sites More sharing options...
Patrick Cooper Posted June 5, 2011 Share Posted June 5, 2011 It shouldn't matter if the white sheet or board is in focus or not. Though I do have a video camera instruction manual that cautions that the white object in question may not be focussed when brought close to the lens during the setting of the white balance. Of course it's silly to say such a thing as this will have no impact on the white balance. Link to comment Share on other sites More sharing options...
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