Promaster 40.5mm Circular Polarizer - Digital HD bf24 Button-less retractable design maintains a

Button-less retractable design maintains a compact form factor when the lens is not in use

The new Series IV technology extends the line-of-sight operating range of the Wireless GO II to approximately 656' compared to the 230' maximum range of the original Wireless GO

and water droplets

Length adjustable ball and socket construction

Promaster 40.5mm Circular Polarizer - Digital HD bf24 Button-less retractable design maintains aProMaster 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.