Essentially, a CPL filter is a linear polarizing filter with a second optical element. As the diagram shows, these two optical elements work together. The outer piece of glass, the element that you rotate, is a linear polarizing filter. Between that and the camera lens lies a second glass element called a quarter-wave plate.. If you're an intermediate photographer who is looking to improve your photography then this is a good filter to start experimenting with. You can find good quality CPL filters from $30-$60. For a while, I shot about 70% of the time with a CPL filter during my 'intermediate phase'. It acted as a protection (in place of a UV filter) and cut.
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A CPL Filter is the short form for a Circular Polarizer filter. It is also known as polarizing filter. It is a piece of glass that gets attached to the front of the camera lens. A circular polarizer filter removes unwanted light, glare, and reflections. It works on the principle of polarization.. A CPL filter may reduce shine and reflections in photographs of painted objects like cars and buildings. In addition to improving visual clarity, a CPL filter will help lessen glare from reflected surfaces. Turning the filter to raise the intensity of glare, however, may improve the color and clarity of rainbows, which are generated by direct.
