Athabasca 77mm HD CPL Circular Polarising Filter

HD CPL, high definition circular polarizer, is mainly used to eliminate reflection and also increase contrast.

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.

Stain and waterproofing coating for easy cleaning.

This HD CPL comes with blue anodized front and back aluminum caps to protect the filter for storage.

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.

Materials: Environmentally oxidized aviation aluminum

Raw materials: Japan imported optical glass & polarizing films

Technology: Advanced HD processed

• Thickness:5.32mm
• Applicable diameter:77mm