The main objectives of the use of polarizing filters is to eliminate "soft" reflection, white-outs and reduce glare from non-metallic surfaces, in most cases and increase the color balance.
For example, it could become whitish blue sky, rich in the image that the filter has been used. This coupled with a great composition can totally change the viewers' impression. In summary, a polarizing filter is a "must have" accessory for every professional photographer and can be used for both white and black color photography.
To unlock the secret of this filter, you must use it properly.
Find the correct size filter for the lens being used. (55mm on a 55mm, etc.). Secondly, the filter thread on the front of the lens (closer to the subject.) After the filter is easily attached to the lens, rotate it.
Look through the viewfinder as you rotate the filter and see the results immediately. His landscape images have a new look, the sky is bluer, the clouds brighter and the grass green. If you stay at a 90 degree angle to the sun, you get the maximum effect.. Not with the sun in front of you or behind you to take the picture.
A polarizing filter, used correctly, on a cloudy day to saturate the colors of the leaves wet giving life to the image. Of course, great care must be taken in a day of poor light as a filter can make your image too dark. This filters will reduce the amount of light reaching your film or sensor. To counter the decline of light that reaches the sensor or film, open the aperture or slow shutter speed to compensate.
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