Tiffen 4x5.65" Ultra Circular Polarizing White Water Glass Filter IOGEAR GUB431 Standards This model features U

Standards This model features U

GSM: 880 to 920 MHz

5 x 152 x 141

allowing for easy hanging and eliminating the need to establish a top or bottom orientation

Thumb Indents and Finger Ridges

Tiffen 4x5.65" Ultra Circular Polarizing White Water Glass Filter IOGEAR GUB431 Standards This model features UTiffen's Ultra Polarizers polarize light "a little more" than regular polarizers. Light rays which are reflected become polarized. Polarizing filters are used to select which light rays enter your camera lens. They can remove unwanted reflections from non metallic surfaces such as water or glass and also saturate colors providing better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies