Hoya HD Pol Cirkular 37mm Super Multi Coated

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Hoya HD Pol Cirkular 37mm Super Mulit Coated HIGH TRANSPARENCY POLARIZING FILM
The polarizing film has 25% higher light transmission than standard polarizing film used in current photographic filters.
HARDENED 8 LAYER WATERPROOF MULTI-COATING THAT IS SCRATCH STAIN RESISTANT
8-layer multi-coating yields an average light transmission rate of 99.35% between 400 and 700nm (visible spectrum). These coatings greatly reduce reflections off the surface of the glass allowing you to capture more light in your photos.
As with all Hoya multi-coatings, HD is applied in a furnace at high heat, bonding the coating to the surface of the glass. This process is called "hard coating" and it is very durable. The chemistry of the top layer is formulated not just to be durable but to be resistant to oil stains. This means that finger prints and other oils are much easier to remove.