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Hoya 82mm HD2 Circular Polarizer Filter – 8-layer Multi-Coated Glass Filter

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  • HOYA’s EXCLUSIVE hardened optical glass technology makes this 1mm thick have 4 times the strength of normal optical glass
  • EXCLUSIVE 8-layer multi-coating for best in class light transmission
  • Water & Oil repellent, scratch & stain resistant, easy to clean
  • Thin Frame
  • 5-year Limited Warranty

Light rays which are reflected by any surface become polarised and polarising filters are used to select which light rays enter your camara lens. They allow you to remove unwanted reflections from non-metallic surfaces such as water, glass etc. They also saturate colors and increase contrast. Polarizers come in two variations but have the same effect. Linear polarizers work with older camera meters; Circurlar polarizers are designed for today’s newer split-beam metering systems used in auto focus cameras. Check your camera’s manual.

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Written by ramseychris26

May 23, 2013 at 2:17 pm

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