"White" balancing a Canon HFG10 with a gray card - AVS Forum
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post #1 of 4 Old 12-10-2012, 02:04 PM - Thread Starter
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I have a Canon HFG10 I use somewhat casually and I'm thinking of upping my a game little by manually setting white balance for my shots. On reading up on the process it seems that some people feel it's better to use a gray card instead of a white card. Without going off on THAT tangent, I'm wondering how you'd use a gray card for setting white balance with the HFG10. I know how to set it with a white card. Thanks.
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post #2 of 4 Old 12-10-2012, 07:14 PM
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Same.
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post #3 of 4 Old 12-10-2012, 07:49 PM - Thread Starter
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Manually setting the white balance involves zooming in on something white and then pressing the Set button, indicating to the camera that what's filling the screen is white. Doesn't seem like that would achieve the desired effect if I zoomed in on something gray.
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post #4 of 4 Old 12-10-2012, 08:08 PM
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Gray is the same as white, only reflects 18% of light instead of 100%. You cannot set color balance if something reflects 100% of light because you would not know its color composition. Which is why cameras drop exposure of white cards until they become gray. The 18% reflectance of gray card ensures correct exposure for most situations.
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