- High light transmission HD polarizing material
- Premium Schott optical glass
- Precision-machined aluminum ring with matte finish and knurled edges
- Slim profile
ProMaster Digital HD Circular Polarizing Filters increase color saturation and reduce reflections. The neutral gray HD polarizing material guarantees excellent images while minimizing light loss. These filters are designed to yield extreme image sharpness and are constructed with premium Schott optical glass and 12 layers of anti-reflective coating. They also feature a precision machined, super slim aluminum frame with an anti-reflective matte finish and knurled edges.