Promaster 6420 55mm Circular Polarizing Digital HD Filter Color Filters The ability to focus in

The ability to focus in conditions as dark as -6

precise autofocus and tracking

The holder can be mounted quickly and securely onto any Profoto Off-Camera (OCF) flash via the durable Profoto rubber collar mount and metal clasp

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Promaster 6420 55mm Circular Polarizing Digital HD Filter Color Filters The ability to focus inFeatures: PROMASTER 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. Specifications: +