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March 31, 2007


Tricking Your Camera into a Warm "White" Balance

White Balance Experiment -- Auto WhiteMy camera's auto white balance

White Balance Experiment -- White BalancedWhite balanced off of a piece of paper

White Balance Experiment -- Warm Balanced
"White" balanced off of a very blue mousepad
I'm reluctant to write this because I've discovered a secret to taking a good picture/video and I don't want to share it. But it's too good to keep to myself. It has to do with white balance. White balance, if you're not familiar, is calibrating your camera or video camera to read true color by exposing it to something pure white, like a piece of paper or a custom white card that photographers sometimes carry. The camera uses that white to then figure out how to render the rest of the color spectrum. The thing is, digital recording devices can tend to white balance a bit cold, meaning that a camera calibrated to a pure white card or piece of paper can produce images that overemphasize blues and whites. The trick is then to calibrate to a "false white;" that is telling the camera to use a non-white color to start its color readings from. Calibrating from a card that's a very light blue will trick the camera into boosting up reds, oranges, and yellows -- the colors that make a photo look warm and just a bit sexy. It can be overdone, sure. Any overly warm photo can verge on looking sepia. Or like a gauzy Lifetime movie. But a bit of blue can set the camera to produce a look that's similar to the golden hour -- that time of day, usually late afternoon, where there's a golden cast to the light and things tend to look their best. A message board post I read said that military photographers have been using this trick for years by "white" balancing off of their dress blue shirts. Being a civilian, I found one company that makes a product called Warm Cards. I now desperately want a pack. But at $45 for the digital camera set, I'm going to hold off just a bit. Still, I was able to produce the effect by balancing off of my mousepad, a paperback copy of One Hundred Years of Solitude, and other blue things lying around the house.

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Nancy Scola I'm a Brooklyn-based writer obsessed with technology, networks, social organizing, and the politics of food. This is my online home where I talk about those things and whatever else strikes my fancy. Learn More

Of Note: Our Fractured Food Safety System [Science Progress], Facebook Activism [AlterNet], Tag Magazine




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