Promaster 2989 77mm Digital Circular Polarizing Filter Mic Cases • Holds up to a

• Holds up to a 500mm f/4 lens unattached

and Auto Mic Position Detection using a 6-axis gyroscope to ensure precise angle placement

Maximum Aperture: f/2

and a hood lock switch prevents accidental detachment or rotation of the lens hood while shooting or moving around

Multigrade IV RC Deluxe has a standard weight (190gsm) resin coated base

Promaster 2989 77mm Digital Circular Polarizing Filter Mic Cases • Holds up to aLight rays which are reflected by any surface become polarized. Polarizing filters are used to select which light rays enter your camera lens. The Digital Circular Polarizing filter allows you to remove unwanted reflections from non metallic surfaces such as water, glass etc. It also will 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