**Specifications:**
**Brand:** Haida
**Product Name:** PROI Level Coated Polarizing Filter (CPL)
**Filter Material:** Optical Glass
**Coating:** Single-sided anti-reflective coating, scratch-resistant, oil-repellent, water-repellent coating
**Ring Material:** Hardened Oxidized Metal
**Ring Thickness:** 6.2mm
**Available Sizes:** 40.5-82mm
**Coating Type:** PROI Level Coating
**Coating Features:** Anti-reflective coating to reduce reflections to below 0.4%, water-repellent coating for easy cleaning
**Additional Features:** Laser etching for durability, colorfastness
**Function:** Eliminates reflections on surfaces, such as water, glass, leaves, and enhances colors in photography
**Compatibility:** Suitable for scenes where reflections cannot be eliminated by digital cameras or post-processing
**Usage Tips:** Not effective against reflections from metal surfaces or strong light sources, effectiveness depends on the angle of light reflection and filter rotation angle
**Works Appreciated by:**
Mirko Boni
Peter Zelinka
**Sample Photography Settings:**
22mm, 0.4 sec, f/11, ISO 50