VIDEO 101

Camera Operation

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Lesson Outline
Introduction
White Balance
Exposure
Focus
Gimmicks
Shutter
Steady-shot




Camera Operation > White Balance



ABOVE: The woman is lit with incandescent (household) lights. BELOW: Same woman lit with fluorescent lights. If you saw them separately, your probably would not recognize either as "wrong." But side-by-side you can see the difference.

The white balance button (also known as the color balance button), may seem like one of the more obscure camera controls, but it's actually one of the most important.

To understand white balance, you first need to understand the notion that every light source has a different color. The sun, for example, has a bluish tone (which is why the sky looks blue). Fluorescent lights are greenish, and regular 'ol light bulbs are orangish. Car headlights are beet red. Of course, you probably don't realize this because human eyes have a near-magical ability to compensate for these color variations and make everything look normal. But if you play close attention, you can notice the differences. Now, what does all this have to do with your camcorder? The thing is, unlike human eyes, camcorders do NOT have a perfect ability to adjust for the overall color of a scene. So you need a button to help make the adjustment. If you don't use the white balance button, your shots might end up with an overall bluish cast, or yellowish tone. The white balance button makes the colors come out "true.
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Here's one way to test this out: If you have a room with both fluorescent lights and regular (incandescent) light bulbs, try viewing your skin under each light source. You'll notice you look tan under the orangish incandescent lights; and sickly green under fluorescent lights. The illustration on this page gives you some idea of the difference. (Helpful hint: Schedule your next big date in a restaurant that does NOT have fluorescent lights--you'll look better!)

Another way to grasp this idea is to try on those sunglasses with the bright yellow (or any color) lenses. At first, everything looks yellowish, but after a few minutes, your brain compensates and the colors look pretty much normal. This is a process our eyes (and brain) go through constantly.

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Michael Trinklein