Hoya 62Mm High Definition Digital Circular Polariser filter Hoya 62Mm High Definition Digital Circular Polariser Filter is specifically designed for use with most of the auto focus SLR cameras. The Hoya filter is an essential accessory for capturing nature, travelling, landscape and marine and outdoor photography. The filter removes unwanted reflections from non-metallic surfaces such as water or glass and also saturates colors providing better contrast. The polarizer helps make a blue sky more bluer as well as making clouds stand out. The effect can be seen through the viewfinder and changed by rotating the filter. The filter increases light transmission and colour saturation without affecting the overall colour balance. The filter protect front lens surface from dust, scratches, dirt and fingerprints. The filter transmits as much as 25% more light than a standard circular polarizer. The filter is made from high pressure press technology and features anti reflective multi coating glass that assures maximum light transmission. The filter is lightweight and very easy to install and amp; detach from lens .