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B+W 67mm Circular Polarizer Filter

SKU
45618
$213.00
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  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • MRC Multi-Resistant Coating
  • Rugged Brass Filter Ring
  • High Quality Schott Glass
The B+W 67mm Circular Polarizer MRC Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.
More Information
Type Polarising Filters
Filter Size 67mm
Type Circular polarizer
Size 67 mm
Grade No
Filter Factor About 2.5 (1.3 stops)
Multi-Coated Yes, MRC (Multi-Resistant Coating)
Effect Eliminates reflections and haze and improves color and tonal saturation
Construction Schott Glass
Front Filter Thread Size 67 mm
Front Lens Cap Size 67 mm
Brands B+W
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