Zomei HD Polarizer 82mm Slim CPL Polarizing Filter HD-CPL Lens Filter Camera

Product Code: AG57648
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Price: $38.68

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Description

Zomei HD Polarizer 82mm Slim CPL Polarizing Filter HD-CPL Lens Filter Camera Accessories
Brand: Zomei
Color: Black Gray
Material: Schott Glass + aerospace aluminum
Size:

Caliber 82mm
Frame height: 4.1mm

Lens spring: Screw
Type: Polarizing filter
Feature:
1.Ultra slim frame, only 4.1mm thickness
2.Double side 18-layer coated,water repellent,anti-oil,anti-dust,anti-soil,scratch resistant
3.High quality Schott glass,reach top-transmittance 99.9% and very low reflective.
4.Advanced laser engraving technology and extinction Seiko manufacturing.
5.All materials used meet the requirements of European ROHS(restrictions on hazardous substances)
Why Use a Circular Polarizer?
Modern DSLR cameras have a beam-splitting prism that sends part of the incoming light to the meter and part to the viewfinder. The effect is that the light entering the meter is partially polarized by the beam-splitter. A linear polarizer placed on the lens of such a system will act as a second polarizer and block light to the meter by a degree dependent on the angle between the prism and the polarizer on the lens. The result is incorrect exposure/aperture values from the meter. That's why you need a circular polarizer with such cameras. The circular polarizer circumvents this problem by adding of a 1/4-wave retarder, or delay foil. This ensures that the linearly polarized light is changed into a rotation that appears unpolarized to the meter, resulting in proper exposure/aperture readings
Zomei Circular Polarizers - The Highest Quality Polarizer Available
Zomei polarizing foils are neutral in color, have a higher efficiency than conventional polarizing foils, and are cemented between high-grade plano-parallel optical glass, using a special cementing technique that resists delamination in humid climates. The resulting sandwich is then precision-polished again to achieve highly accurate plano-parallel surfaces. Discriminating photographers regard the Zomei Polarizer as the very best polarizer on the market. They are well suited for applications that require the highest possible imaging quality, especially with high-speed telephoto lenses and apochromatic lenses.

Package Include: 1 PC Zomei 82mm HD CPL

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Zomei HD Polarizer 82mm Slim CPL Polarizing Filter HD-CPL Lens Filter Camera

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