Promaster 58mm Circular Polarizer - Digital HD cmopenbox Locking diopter ensures your settings

Locking diopter ensures your settings won't accidentally change in the field

High sharpness throughout the zoom range

3' (1m) for up to 10 minutes and resistant to internal fogging when moving through extreme temperature changes and environmental conditions

and axis shifting for refined cine shooting

The quiet and smooth STM autofocus system makes it ideal for both photography and video

Promaster 58mm Circular Polarizer - Digital HD cmopenbox Locking diopter ensures your settingsProMaster DIGITAL HD CIRCULAR POLARIZING FILTERS increase color saturation and reduce reflections. The neutral gray HD polarizing material guarantees excellent images while minimizing loss of light. Constructed with premium Schott optical glass these filters are designed to yield extreme image sharpness. They also feature a precision machined, super slim aluminum frame with anti reflective matte finish and knurled edges.