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Learn why polarizer filters are useful, and how to use them

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A polarizer filter not only makes blue skies bluer, it can also make other colors more saturated. (Credit: Steve Perry).

Back in the days of analog photography, filters were a photographer’s best friend. Today, with digital photography, many of the effects filters had on film can be replicated during post-processing, especially those that concern color reproduction such as the color filters used in black-and-white photography, or graduated filters that would darken the sky while keeping the foreground nice and bright.

But there’s one filter with an effect that cannot be emulated by software, and that’s the polarizer filter. While most of us have probably heard about polarizers before, and many of us may actually own one, we’re sure that some of the tips photographer Steve Perry gives in his latest educational video will open your eyes, just as they opened this writer’s.

One of the most popular uses of a polarizer filter, according to Perry, is to darken blue skies. And while this effect could be achieved during post-processing. Perry explains that actual polarizers help eliminate reflections from all kinds of objects, which in turn will make colors appear much more saturated.

When photographing landscapes, a polarizer not only makes colors “pop” by filtering out reflections from objects such as foliage and stones, it also helps remove some of the haze that can make pictures like that of mountain ranges appear dull. Another great use for a polarizer filter is to look beneath the surface of water, for example when photographing a pond with fish in it.

Finally, a polarizer filter can be used to make a nature scene more colorful even on overcast days, when most of us would probably keep their cameras at home. But here’s another thing you may not have known: when using a polarizer on a wide-angle lens, you may end up with darker and brighter patches in the sky. So if you’re using a wide-angle lens for landscape photography and have a lot of sky in your image, better take the filter off.

These and more clever tips can be found in Steve’s video below. For more, take a look at his YouTube channel where he regularly posts educational videos like this one.

(Via DIY Photography via Picture Correct)

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