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B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter

B&H # BWKCPMCS77 Mfr # 66-025844
No Longer Available
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
  • Slim-Line Mount for Wide Angle Lenses
  • Lightweight Aluminum Filter Ring
  • High Quality Schott Glass

The B+W 77mm 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. The slim filters are specifically designed for use with wide angle lenses and are only 0.2" / 5mm thick. They do not have front threads for stacking additional filters.

Note: This filter ring's outside diameter is slightly larger than the actual thread size, and because of this you may be unable to attach the lens manufacturer's bayonet-mounted lens hood to the lens while using this filter. This is dependent on your specific lens and how thick the front rim of the lens is; with thinner, low-profile lenses usually being affected more.

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.
Lightweight, slim aluminum filter ring measures 5mm thick to help reduce vignetting.
Type Circular polarizer
Size 77 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 Lens Cap Size 77 mm
B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter
  • Slip-On Cap
  • 10-Year Limited Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    B+W77mm Kaesemann Circular Polarizer Slim MRC Filter
     
    4.7

    (based on 79 reviews)

    Ratings Distribution

    • 5 Stars

       

      (57)

    • 4 Stars

       

      (20)

    • 3 Stars

       

      (1)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (1)

    96%

    of respondents would recommend this to a friend.

    Pros

    • Clear optics (61)
    • Strong construction (58)
    • Firm mount (41)
    • Consistent effect (30)
    • Easy to use (20)

    Cons

    • Pricey / poor value (4)
    • Pricey (3)

    Best Uses

    • Color correction (30)
    • Image manipulation (30)
    • Lens protection (14)
    • UV protection (8)
    • Reduces glare (7)
      • Reviewer Profile:
      • Photo enthusiast (30), Semi-pro photographer (21), Enthusiast (14), Pro photographer (7)
      • Was this a gift?:
      • No (39)

    Most Liked Positive Review

     

    If I need more CPL, it would be B+W

    Slim CPL is a requirement for ultrawide lens on full-frame body. And if both camera and lens cost alot, there is no point in destroying image quality by bad polarizer. Slim Kaeseman Circular...Read complete review

    Slim CPL is a requirement for ultrawide lens on full-frame body. And if both camera and lens cost alot, there is no point in destroying image quality by bad polarizer. Slim Kaeseman Circular Polarizer is one of the best in terms of quality (well, heliopan is comparable but more expensive). The polarizer gives no visible vignetting at f/4 and smaller apertures for my Canon EF 16-35 f/2.8L on FF body. The flare is reduced compared to my previous CPL (Tiffen nonslim CPL was used on cropped body). The B+W CPL is easier to clean, although still not perfect (consider Yellowstone geyser splashes hitting it).

    VS

    Most Liked Negative Review

     

    Slim=difficult rotation. Does the job.

    Top of the line polarizer filter and they can't even grease the ring! Not smooth. Apart from that, I guess it does the job. I can't see the coatings, or if it...Read complete review

    Top of the line polarizer filter and they can't even grease the ring! Not smooth. Apart from that, I guess it does the job. I can't see the coatings, or if it really is 'encased' but I have to trust that it is. This filter has not degraded the image quality because of the extra glass. No new CA or ghosting and flaring introduced from what I have observed sofar. Surely there are lower priced polarizers which won't degrade image.

    Reviewed by 79 customers

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    Displaying reviews 1-20

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    4.0

    Great Filter, Poor Cover

    By David

    from Troutman, NC

    About Me Semi-pro Photographer

    Verified Buyer

    Pros

    • Clear Optics
    • Consistent Effect
    • Easily Mounted
    • Firm Mount
    • Strong Construction

    Cons

    • Poor Lens Cap

    Best Uses

    • Color Saturation
    • Glare reduction

    Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

    I'm a big fan of B+W filters and this is one of the best I have owned. This filter has considerably more impact on the water and sky than previous CPs I have used. The filter fits nicely, spins easily but not too easily and it cleans with little effort. The slim profile allows me to stack filters on my wide angle lens without causing vignetting unless I am at the widest settings. My only complaint is the cover that is supplied with the filter. As it is a slim line, there are no external threads to stack onto this filter so it always has to be the last in the stack. This also means your regular lens caps will not work so they supply a cap that fits around the filter. In my case, the cap will not stay put. It is fine when walking around with camera in hand, but I have yet to pull it out of the case with the cover still in place. Great filter though, now I just need a cap that will keep it from getting scratched.

    • Was this a gift?:
    • No

    Share this review

     
    4.0

    Mostly great, but one major annoyance

    By geektoad

    from New Hampshire

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Clear Optics
    • Consistent Effect
    • Easily Mounted
    • Firm Mount
    • Strong Construction

    Cons

    • Difficulty With Lens Caps

    Best Uses

    • Color Correction
    • Image Manipulation

    Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

    I took this filter on a two week trip to South Dakota and Wyoming. As is expected with B+W filters, it's optically amazing, and really helped with making skies pop.

    My biggest issue (and it's not a huge one) with it is that due to it's slim design, you can't put a normal lens cap on it, and the cap that comes with it just will not stay on. This led to having to remove it and store it every time I pack for a new location. It also means that I can't store it with the rest of my filters in my stack. I need to look into cap solutions and see what my options are.

    • Was this a gift?:
    • No

    Share this review

     
    5.0

    Best Polarizer I've owned!

    By Scotterdoo

    from Denver CO

    About Me Semi-pro Photographer

    Verified Buyer

    Pros

    • Clear Optics
    • Consistent Effect
    • Easily Mounted
    • Great Transition
    • Strong Construction

    Cons

    • None

    Best Uses

    • Color Correction
    • Image Manipulation
    • Removing Glare

    Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

    Absolutely a great polarizer! I purchased this filter to go on my nikon 17-35 2.8 super wide lens due to not having to deal with vignetting as my standard B+W polarizer will do with a super wide. This filter is perfect for this and the filter transition for sky and making colors pop is amazing! I am firm believer in B+W filters period!

    • Was this a gift?:
    • No

    Share this review

    (0 of 2 customers found this review helpful)

     
    1.0

    Returned.

    By Jumar

    from Atlanta, GA

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Clear Optics
    • Consistent Effect

    Cons

    • No Way To Attach A Cap

    Best Uses

      Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

      I would not use this filter because there is no way to secure a cap on it.

      • Was this a gift?:
      • No

      Share this review

      (2 of 3 customers found this review helpful)

       
      4.0

      Needed to reduce vignetting

      By Fern

      from Covina, CA

      About Me Photo Enthusiast

      Verified Buyer

      Pros

      • Clear Optics
      • Strong Construction

      Cons

        Best Uses

        • Lens Protection
        • UV Protection

        Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

        I bought this product to reduce the vignetting I was getting with my new Canon 24-105mm lens. At first I was using a standard version which added to the vignetting when this lens is wide open. In that case I had to take photos at 35mm to eliminate the vignetting. With the slim fit I can go to about 30mm and eliminate the vignetting. Any lower and you will still get just a little. The quality of this filter is great. It is sturdy and produced good results for my photos. Though any vignetting may still not be completely eliminate this filter does help to reduce the results. If you plan to use software to eliminate the vignetting then it may not matter to you. At all other focus lengths though it will not matter if you use the slim or the standard. In that case I would say to stick to the standard and save your self the extra money.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Happy Happy Happy

        By Stan

        from North Carolina

        About Me Semi-pro Photographer

        Pros

        • Clear Optics
        • Consistent Effect
        • Easily Mounted
        • Strong Construction

        Cons

          Best Uses

          • Image Manipulation

          Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

          I use the polarizer out on the beach and for landscapes. It is thin!and works well.

          • Was this a gift?:
          • Yes

          Share this review

          (1 of 1 customers found this review helpful)

           
          5.0

          Worth the $$

          By Bill

          from New Cumberland, PA

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Clear Optics
          • Consistent Effect

          Cons

          • Caps Can Be A Problem
          • Cross-Threads Easily

          Best Uses

          • Color Correction
          • Image Manipulation

          Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

          I have to agree, in this case, you pretty much get what you pay for with polarizers. I especially like the slim models, which for the most part stay out of the way with a wide lens, even if you put it in front of a good UV. Only complaint: the slim ones won't take a regular lens cap, so it comes with its own feeble effort I rarely use since it drops off so easily. But that evidently must not really bother me since I have 3 of them.

          • Was this a gift?:
          • No

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          5.0

          Worth the Money

          By Jim the bird photo man

          from Denver CO

          About Me Semi-pro Photographer

          Verified Buyer

          Pros

          • Clear Optics
          • Consistent Effect
          • Easily Mounted
          • Evenly Balanced
          • Firm Mount
          • Strong Construction

          Cons

            Best Uses

            • Color Correction
            • Lens Protection
            • UV Protection

            Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

            I use this for outdoor scenes. It works well and the cost was right. I had read about it from a lens testing site and it is all true. color balance is true in all corners of the lens.

            • Was this a gift?:
            • No

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            5.0

            Great results

            By Kirk

            from Denver, CO

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Clear Optics
            • Consistent Effect
            • Easily Mounted

            Cons

              Best Uses

                Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                This is a very effective filter. It will really darken the skies when used at the right angle. It goes on and off my lens very smoothly with no issues. The lens cap is mostly useless though. I usually use my lens hood when I'm shooting outside, so I don't use a lens cap, so it hasn't been much of an issue, but you only have to tap it to make it fall off.

                • Was this a gift?:
                • No

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                5.0

                Nice filter, just a little pricy

                By Larry

                from Richmond, BC

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Consistent Effect
                • Strong Construction

                Cons

                • A little pricy

                Best Uses

                • Image Manipulation

                Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                Good quality filter, no visible vignette using UW lens at 11mm on DX camera.

                • Was this a gift?:
                • No

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                5.0

                Love the slim design for wide angles

                By photo bogota

                from Bogota, Colombia

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Clear Optics
                • Consistent Effect
                • Easily Mounted
                • Firm Mount
                • Strong Construction

                Cons

                  Best Uses

                  • Image Manipulation

                  Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                  Using with extreme wide angle lenses the slim design is great.

                  • Was this a gift?:
                  • No

                  Share this review

                  (2 of 2 customers found this review helpful)

                   
                  5.0

                  Uber-quality glass

                  By Camrich

                  from La Cresenta, CA

                  About Me Photo Enthusiast

                  Verified Buyer

                  Pros

                  • Clear Optics
                  • Consistent Effect
                  • Easily Mounted
                  • Easy to clean
                  • Firm Mount
                  • Strong Construction

                  Cons

                  • Poor fitting cover

                  Best Uses

                  • Color Correction
                  • Landscapescenery
                  • Lens Protection
                  • UV Protection
                  • Window reflections

                  Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                  I bought this slim polarizer for my Canon 10-22mm wide angle lens. As an engineer, I appreciate the quality with which these B + W filters are made. As a photographer, I love the nice feel it gives to daytime photos, especially clouds and sky. I don't mind that the cover fits so poorly, as I seldom use one anyway. I have B+W, and Heilopan filters exclusively, I feel the superior quality is worth the extra cost...you get what you pay for!

                  • Was this a gift?:
                  • No

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                  5.0

                  Great filter

                  By PhotoGuy

                  from Darien, CT

                  About Me Semi-pro Photographer

                  Verified Buyer

                  Pros

                  • Clear Optics
                  • Consistent Effect
                  • Easily Mounted
                  • Firm Mount
                  • Strong Construction

                  Cons

                    Best Uses

                    • Color Correction
                    • Image Manipulation

                    Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                    I have this mounted on my two Tech cam lenses with step up rings, and the low profile really helps with the 40mm HR wide angle lens as there is no vignetting.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    It works!

                    By PhotographerGoneWild

                    from New Albany, OH

                    About Me Semi-pro Photographer

                    Verified Buyer

                    Pros

                    • Clear Optics
                    • Consistent Effect
                    • Easily Mounted
                    • Firm Mount
                    • Strong Construction

                    Cons

                      Best Uses

                      • Accurate image production

                      Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                      Nothing more to say than "it works!". And, isn't that what all of us wants? No drama, no problems, just get the job done and do it right!

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      Gotta have it!!!

                      By Tony

                      from California

                      About Me Pro Photographer

                      Verified Buyer

                      Pros

                      • Clear Optics
                      • Consistent Effect
                      • Strong Construction

                      Cons

                        Best Uses

                          Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                          I'm a professional photographer and i love photographing outdoors! Having a circular polarizer on hand is a must!!! Choosing the right CPL makes a big difference!! A Kaesemann by B+W is the only brand I trust!!!!

                          • Was this a gift?:
                          • No

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                          4.0

                          Cuts Glare

                          By Lovin' Light

                          from MN

                          About Me Semi-pro Photographer

                          Verified Buyer

                          Pros

                          • Clear Optics
                          • Consistent Effect
                          • Firm Mount
                          • Strong Construction

                          Cons

                          • Difficut to MountUnmount
                          • Poor Cap

                          Best Uses

                          • Image Manipulation

                          Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                          This is a useful product for taking landscapes. It does what circular poloraizer should, really makes images "pop" without added distortion. On wideangle lenses it does create an "un-natural sky" effect. The lenses is thin. Using a rubber band can be useful in removing it. It is not the easiest to remove or turn, and the cover is nearly useless. It comes off very easily and is easily lost.

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          Works Well

                          By Martim

                          from Chapel Hill, NC

                          About Me Semi-pro Photographer

                          Verified Buyer

                          Pros

                          • Clear Optics
                          • Consistent Effect
                          • Easily Mounted
                          • Firm Mount
                          • Strong Construction

                          Cons

                            Best Uses

                            • Artwork
                            • Color Correction
                            • Image Manipulation
                            • Lens Protection
                            • UV Protection

                            Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                            Pol is slim and extremely well made. Bought it for a new Nikon lens both as a pol and protection. Could not be more pleased. Great for landscapes.

                            • Was this a gift?:
                            • No

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                            5.0

                            Versatile and Dependable

                            By Mot

                            from Chicago

                            About Me Semi-pro Photographer

                            Verified Buyer

                            Pros

                            • Clear Optics
                            • Consistent Effect
                            • Easily Mounted
                            • Firm Mount
                            • Strong Construction

                            Cons

                              Best Uses

                              • Color Correction
                              • Image Manipulation

                              Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                              Strong performance and dependable results. It was not a problem to attach to the lens and only issued vignette concerns at 12mm (12 - 24 mm Tokina zoom). Not a deal buster, but the provided lens cap is substandard and falls off frequently.

                              • Was this a gift?:
                              • No

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                              5.0

                              Best filter

                              By tung

                              from Toronto

                              About Me Technically Challenged

                              Verified Buyer

                              Pros

                              • Easy To Use
                              • Improves Picture Quality

                              Cons

                                Best Uses

                                • Panoramic Filming
                                • Shooting Outdoors

                                Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                                I do a lot of shooting in bright sun condition when I go down to the Caribbean for holidays few times a year. This filter len simply gives me great result. I used other brands of polarizing lens before but none of them can be compared to the B+W filter lens which are far more superior in terms of color and clarity.

                                • Was this a gift?:
                                • No

                                Share this review

                                 
                                4.0

                                Great B+W Quality

                                By Jun

                                from Olathe, KS

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Compact Design
                                • Improves Picture Quality

                                Cons

                                  Best Uses

                                  • Landscapescenery

                                  Comments about B+W 77mm Kaesemann Circular Polarizer Slim MRC Filter:

                                  Great CPL, but the cap is easy to drop off. I lost the cap in a trip.

                                  • Was this a gift?:
                                  • No

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