The Phottix Circular Polarizing (C-PL) Ultra Slim Pro Digital Filter is an indispensable addition to your photography gear. Using the highest quality of German optics, the C-PL filter is great for removing reflections from non-metallic surfaces (glass and water) in your photos, and improving color saturation, clarity and contrast.
C-PL filters are most commonly used to increase the saturation and contrast in images of blue skies and clouds. This filter has been optimized for use with Digital SLR cameras.
Phottix UV filters uses special GLASS INSERT TO FRAME BY OIL PRESSURE technology which makes no gap in inner frame.