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Hack 18 Use Sunglasses as a Polarizing Filter
Chances are, you have a high-quality polarizing filter with you at all times, right under
your nose. (Actually, it's sitting on your nose.)
Next to a fully charged battery and a huge memory card, a polarizing filter
is the digital
photographer's best friend. It reduces unsightly glare, deepens the richness of skies,
and
improves overall color saturation.
The problem for most shooters on the go is that they don't always have their full kit of
accessories with them. And many point-and-shoot cameras don't even provide a way to
attach an external filter, even if you wanted to.
So what's a photographer to do? Does this mean you'll have to suffer with glare-y subjects
and desaturated skies, just because you want to tote a convenient digicam instead of
lugging around an albatross of a camera bag?
Not at all. Your solution is sitting there right on top of your nose. Your sunglasses! Great
lighting usually results in good photographs, with or without filtration, as shown in Figure 2-4 . But
sometimes you want to enhance an already good lighting situation. Often, polarization is the
perfect solution, as shown in Figure 2-5 . If you don't have a polarizing filter with you, try your
sunglasses. You might be surprised by the results.
Figure 2-4. Without a sunglasses filter
Figure 2-5. With a sunglasses filter
Many quality shades are made out of the same material that camera polarizers are made out
of. Simply take off your sunglasses and place one lens as close to your camera's shooting
lens as possible. Then, take the shot. If you want to see the difference, take the same
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