Athbasca Circular HD CPL Filter 77mm

HD CPL, high definition circular polarizer, is mainly used to eliminate polaring light. Using Japan imported optical glass and top quality Japan polarizing films and with secondary advanced operation, Athabasca HD CPL is certain to achieve super HD effect. How to Use: Fix the HD CPL directly to the front lens, rotate the HD CPL and observe the polarized light source through the LCD or viewfinder, until the polarized light weakens or disappears as expected. Athabasca HD CPL Circular Filter Specification: Materials: Environmentally oxidized aviation aluminum Raw materials: Japan imported optical glass amp; polarizing films Technology: Advanced HD processed Thickness:5.52mm About CPL : CPL (Circular Polarizer), circular polarizing lens, is used to eliminate the polarized light. CPL can enhance image contrast, deepen blue and highlight white clouds. Meanwhile, it can eliminate reflection of non-metal surface(water, glass, etc.) as well as reduce soft focus in scenic photos caused by mist. A good CPL wont damage image color when filtering the polarized light.