B+W 110mm Kaesemann Circular Polarizer Extra Wide MRC Filter

B+W 110mm Kaesemann Circular Polarizer Extra Wide MRC Filter

B+W 110mm Kaesemann Circular Polarizer Extra Wide MRC Filter

B&H # BWKCPMC110EW MFR # 66-1071052
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Ship Time: 4-6 weeks 
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Product Highlights

  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • High Efficiency Kaesemann Foils
  • MRC Multi-Resistant Coating
  • Oversized Filter Ring Reduces Vignetting
  • Rugged Brass Filter Ring
  • High Quality Schott Glass
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Overview
  • 1Description

The B+W 110mm Kaesemann Circular Polarizer Extra Wide 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.

Kaesemann-type filters feature greater optical efficiency than regular polarizing foils and are more neutral in color. The polarizing foils are cemented between plano-parallel optical glass layers, which are then precision-polished to achieve the most accurate plano-parallel surface. This edge sealing protects the filter layers from humidity and are ideal for use with high-speed telephoto and apochromatic lenses.

The Multi-Resistant Coating (MRC) is both an anti-reflection coating as well as a protective surface. It helps to increase light transmission by reducing reflections, scattered light, and ghosting. Additionally, it offers greater protection to the filter substrate and stays cleaner for longer than uncoated filters.

B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity. They feature a brass filter ring for durability as well as jamming prevention. The extra wide filters feature an oversized ring that is much larger than the male threads for attachment to the lens. This oversized ring permits the use of glass that is also larger and helps to prevent vignetting when using wide angle lenses. Lens hoods should not be used in conjunction with extra wide filters as vignetting may occur.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Polarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° from the sun.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
Kaesemann polarizing foils provide highly neutral coloring and higher image quality than conventional polarizing foils.
Multi-Resistant Coating offers both protection to the glass and helps to improve light transmission and image quality.
Extra wide filter ring provides room for a larger glass substrate and reduces vignetting when used with wide angle lenses.
Constructed from high quality Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
In the Box
B+W 110mm Kaesemann Circular Polarizer Extra Wide MRC Filter
  • 10-Year Limited Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Filter Type Circular Polarizer
    Filter Factor 2.5 (1.3 Stop)
    Shape Circle
    Circular Size 110 mm
    Rotating Yes
    Front Thread / Bayonet 125 mm
    Physical Feature Wide
    Filter Material Glass
    Coating Multi-Coated
    Packaging Info
    Package Weight 0.5 lb
    Box Dimensions (LxWxH) 7.1 x 6.4 x 1.7"

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