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B+W 43mm Kaesemann Circular Polarizer MRC Filter

B&H # BWKCPMC43 Mfr # 66-045609
Usually ships in 6-10 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
  • Rugged Brass Filter Ring
  • High Quality Schott Glass

The B+W 43mm Kaesemann 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.

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.

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.
Constructed from high quality Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
Type Circular polarizer
Size 43 mm
Filter Factor About 2.5 (1.3 stops)
Multi-Coated Yes, MRC (Multi-Resistant Coating)
Rotating Yes
Effect Eliminates reflections and haze and improves color and tonal saturation
Construction Schott glass
Front Filter Thread Size 43 mm
Front Lens Cap Size 43 mm
B+W 43mm Kaesemann Circular Polarizer MRC Filter
  • 10-Year Limited Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    B+W43mm Kaesemann Circular Polarizer MRC Filter
     
    5.0

    (based on 3 reviews)

    Ratings Distribution

    • 5 Stars

       

      (3)

    • 4 Stars

       

      (0)

    • 3 Stars

       

      (0)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    100%

    of respondents would recommend this to a friend.

    Pros

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        Best Uses

            • Was this a gift?:
            • No (3)

          Reviewed by 3 customers

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          5.0

          For EOS M owner!

          By fournierphotographe

          from Québec, Canada

          About Me Semi-pro Photographer

          Verified Buyer

          Pros

          • Clear Optics
          • Easily Mounted
          • Strong Construction

          Cons

            Best Uses

              Comments about B+W 43mm Kaesemann Circular Polarizer MRC Filter:

              My friend just got the new Canon eos M and this is the polarizer that was fitting on her lenses. It does what a Circular Polarizer has to do, for a good price!

              • Was this a gift?:
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              5.0

              Always use B + W

              By ChrisC

              from Reston, VA

              About Me Photo Enthusiast

              Verified Buyer

              Pros

                Cons

                  Best Uses

                    Comments about B+W 43mm Kaesemann Circular Polarizer MRC Filter:

                    In my opinion, the absolute best quality cp filter out there

                    The saturated colors and contrast added is amazing

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                    • No

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                    (1 of 1 customers found this review helpful)

                     
                    5.0

                    Punchy Colors

                    By No Nickname

                    from Minnesota

                    About Me Semi-pro Photographer

                    Verified Buyer

                    Pros

                    • Consistent Effect
                    • Easily Mounted

                    Cons

                      Best Uses

                        Comments about B+W 43mm Kaesemann Circular Polarizer MRC Filter:

                        Ring turns smoothly. Colors appear better and sky looks less hazy.
                        This is a dark filter, so I was concerned the camera might have some trouble with it. It did not.
                        The only issue happened when pointing skyward at an airshow and the auto-focus turned into macro-focus and locked onto the filter glass. This turned out to be a known issue with the camera and not a problem caused by the filter. When there's nothing to look at, like an open blue sky, the camera pulls the focus closer and closer until it's in macro mode.

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                        • No

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                        Filter pouch

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                        • You Pay: $4.99
                         
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