A polarizing filter can make a world of difference to your images in many different situations. The first thing that comes to mind for most people is bluer skies, which is maximized when the sun is 90 degrees to the direction you're shooting but that's really just the beginning of what these amazing filters can do for you.
Along with enhancing the color of skies, which also helps clouds stand out in more detail, a polarizer is perfect for dealing with reflections in water and glass. We can easily understand the difference by observing the following example. Second image is taken using Polarized filter.
By rotating the ring of the filter, you can control how strong the polarizing effect is on the subject. One disadvantage of using a polarizer is that you lose light. The amount depends on how the filter is adjusted, but it's typically a loss of one to two f-stops. This means that if your shutter speed is 1/125 at f/16, with a filter you would then be shooting 1/60 or 1/30 at f/16 to compensate for the polarizer.
Along with enhancing the color of skies, which also helps clouds stand out in more detail, a polarizer is perfect for dealing with reflections in water and glass. We can easily understand the difference by observing the following example. Second image is taken using Polarized filter.
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