Promaster 6957 55mm Circular Polarizer Video Batteries allowing reliable capture even when

allowing reliable capture even when using extremely narrow depth of field at F1

Offering further protection

Optional External Power Supply

Bayonet Type Lens Hood

Promaster 6957 55mm Circular Polarizer Video Batteries allowing reliable capture even whenFeatures: Light rays which are reflected by any surface become polarized and PROMASTER Polarizing filters are used to select which light rays enter your camera lens. They allow you to remove unwanted reflections from non metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer, with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds.