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Canon 2191B001 77mm Circular Polarizing Filter

B&H # CACP77Q Mfr # 2191B001
In Stock
Free Expedited Shipping
You Pay: $184.00
Product Highlights
  • Makes a Blue Sky BLuer
  • Enhances Clouds
  • Minimizes Reflections
  • Rotating Filter Ring

Canon Circular Polarizer - Light rays which are reflected become polarized. Polarizing filters are used to select which light rays enter your camera lens. They can remove unwanted reflections from non-metallic surfaces such as water or glass and also saturate colors providing better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies according to how the filter is rotated and its orientation to the sun.

If you're out walking on a lovely day - in the mountains or at the beach - and you want to get a fabulous shot of a cloud-filled sky or make the water seem more saturated, then a polarizer is the way to go. This filter is the best way to make the clouds stand out, increase or decrease the saturation of the ocean or increase or decrease the reflection off the water. You can also use this filter when shooting into glass or windows since it will, again, either increase or decrease reflections.

If you're shooting black and white and want to simulate a threatening storm, try throwing on a #25 Red filter. The vista will take on the appearance of an imminent, ominous storm.

Along with a UV or Skylight Filter, a polarizing filter should be a part of everyone's gear bag. It can turn a run-of-the-mill image into a stunning, creative photo by increasing color saturation.

Note! Circular polarizers are specifically designed for use with auto-focus SLR cameras (They will also work on manual systems and video cameras without problems)

This filter eliminates ultraviolet rays to remove haze from outdoor shots as well as polarizing the light to remove reflections, and increase color saturation, without affecting the overall color balance
Type Circular Polarizer
Size 77mm
Grade Not Applicable
Filter Factor Between 2.3 and 2.8 (approx. +1.3 stops)
Multi-Coated Not Applicable
Rotating Yes
Effect Removes reflections and increases color saturation without affecting the overall color balance
Application Nature, travel, outdoor photography
Color Temperature Not Applicable
Construction ColorCore Glass
Front Filter Thread Size 77mm
Front Lens Cap Size 77mm
Canon 2191B001 77mm Circular Polarizing Filter
  • One-Year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    Canon2191B001 77mm Circular Polarizing Filter
     
    4.8

    (based on 16 reviews)

    Ratings Distribution

    • 5 Stars

       

      (13)

    • 4 Stars

       

      (2)

    • 3 Stars

       

      (1)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    94%

    of respondents would recommend this to a friend.

    Pros

    • Clear optics (13)
    • Easily mounted (13)
    • Consistent effect (11)
    • Strong construction (11)
    • Firm mount (8)

    Cons

      Best Uses

      • Color correction (6)
      • Image manipulation (6)
      • Lens protection (6)
      • Artwork (3)
        • Reviewer Profile:
        • Photo enthusiast (7), Semi-pro photographer (5)
        • Was this a gift?:
        • No (15)

      Most Liked Positive Review

       

      Excellent:Engineered by Canon, for Canon

      Bear with me here. This filter is excellent. . . here's why. . .
      1. Taming the leaf-reflection burnouts:
      This Canon polarizer is a great investment. I does a...Read complete review

      Bear with me here. This filter is excellent. . . here's why. . .
      1. Taming the leaf-reflection burnouts:
      This Canon polarizer is a great investment. I does a fantastic job of cutting down on the glare and refraction which occurs in tree leaves which are being inundated with direct sunlight. With no polarizer, leaf refractions often appear as exposure burnouts which can be distracting to the viewer and make your work look a bit amateurish. The Canon polarizer does wonders for taming these burnouts and replacing them with evenly exposed, rich, saturated color (but not too saturated!).
      2. Beautiful blue sky:
      Though mostly imperceptible to the naked eye, water vapor in the atmosphere does in fact refract sunlight. The sky is therefore kind of like a giant see-through scrim/reflector, which is why it often appears more of a baby blue rather than a royal blue. The Canon polarizer reduces this refraction and turns your skies into a nice rich blue. While you can always turn a sky more blue in post production, it's definitely a good idea to get the best possible image you can in-camera.
      3. Quality is everything:
      If you shoot with Canon L-Glass, why would you put a $60 filter on the end of a $2000 lens? Your image is only as good as your weakest piece of glass. Yes, this filter is pricy, but it was engineered by Canon for Canon.
      4. Lens cap
      Your Canon lens cap will always fit perfectly on the end of your Canon filter. With other brands of filter, your lens cap will fall off.
      5. Lens versatility
      I own the 24-70mm F2.8L, the 70-200mm F2.8L, the 17-35mm F4 L and the 24-105mm F4 L. This filter fits all of these lenses (77mm diameter) and more!

      Wow, I talk way too much. Enjoy your Canon filter. It is excellent.

      VS

      Most Liked Negative Review

       

      Should have stuck with what I knew

      Just did not seem to compare to the B+W polarizer I already have. Did not get the same deep blue skies. Threaded on/off easy and Canon lens cap fits perfectly, though.

      Just did not seem to compare to the B+W polarizer I already have. Did not get the same deep blue skies. Threaded on/off easy and Canon lens cap fits perfectly, though.

      Reviewed by 16 customers

      Sort by

      Displaying reviews 1-16

      Back to top

       
      5.0

      Must-Have Polarizer

      By AussieMom

      from Prescott, AZ

      About Me Semi-pro Photographer

      Verified Buyer

      Pros

      • Clear Optics
      • Consistent Effect
      • Easily Mounted

      Cons

        Best Uses

        • Color Correction
        • Image Manipulation

        Comments about Canon 2191B001 77mm Circular Polarizing Filter:

        I use this polarizer with all my 77mm Canon lenses.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Canon Polarizing Filter Deliver

        By Ed

        from Austin

        About Me Photo Enthusiast

        Verified Buyer

        Pros

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

        Cons

          Best Uses

          • Color Correction
          • Lens Protection
          • UV Protection

          Comments about Canon 2191B001 77mm Circular Polarizing Filter:

          Is there a better filter for your Canon Lens?!

          • Was this a gift?:
          • No

          Share this review

          (1 of 1 customers found this review helpful)

           
          4.0

          High Quality Polarizing Filter

          By donjphoto

          from Portland, OR

          About Me Semi-pro Photographer

          Verified Buyer

          Pros

          • Clear Optics
          • Easily Mounted
          • Strong Construction

          Cons

          • Reduces Light

          Best Uses

          • Artwork
          • Image Manipulation
          • Lens Protection

          Comments about Canon 2191B001 77mm Circular Polarizing Filter:

          If you need a 77mm circular polarizing filter, this is it. However, it is putting more glass in front of your lens, so it will somewhat, reduce the quality and more iportantly, reduce the amount of light to your camera. If you have a good quality lens in back of your filter and a tripod, not much of a problem.

          • Was this a gift?:
          • No

          Share this review

           
          5.0

          Replacement for an old one.

          By woodrust

          from Southern California

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Clear Optics
          • Consistent Effect

          Cons

          • None

          Best Uses

            Comments about Canon 2191B001 77mm Circular Polarizing Filter:

            Bought as a replacement for one that lasted 5 years before I decided it needed to be retired. I give this a 5 star rating only because it is a replacement for my old one that I could not do without and for outdoor photography a polarizing filter is almost a must.

            • Was this a gift?:
            • No

            Share this review

             
            5.0

            77 mm Canon circular polarizing Filter

            By Inder

            from Davis, CA

            About Me Photo Enthusiast

            Verified Buyer

            Pros

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

            Cons

              Best Uses

              • Lens Protection

              Comments about Canon 2191B001 77mm Circular Polarizing Filter:

              I used 77 mm polarizing filter with Canon EF 70-200 mm F2.8 L II USM lens
              with 5D Mark II camera. I used the filter for Landscape photography.
              The results were great.
              This polarizing filter is easy to use.

              • Was this a gift?:
              • No

              Share this review

              (1 of 1 customers found this review helpful)

               
              3.0

              Should have stuck with what I knew

              By Captainb8

              from Cincinnati, OH

              About Me Photo Enthusiast

              Verified Buyer

              Pros

              • Clear Optics
              • Easily Mounted
              • Strong Construction

              Cons

              • Weak Effect

              Best Uses

                Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                Just did not seem to compare to the B+W polarizer I already have. Did not get the same deep blue skies. Threaded on/off easy and Canon lens cap fits perfectly, though.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                Great product!

                By Jen

                from bradenton, florida

                About Me Semi-pro Photographer

                Verified Buyer

                Pros

                • Easily Mounted

                Cons

                  Best Uses

                  • Artwork
                  • Color Correction
                  • Image Manipulation
                  • Lens Protection

                  Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                  Does wonders to get rid of glare on water!

                  • Was this a gift?:
                  • No

                  Share this review

                  (8 of 8 customers found this review helpful)

                   
                  4.0

                  Excellent:Engineered by Canon, for Canon

                  By Sun Gallery Photography

                  from Colorado Springs

                  About Me Pro Photographer

                  Pros

                  • Canon Lens Cap Fits
                  • Clear Optics
                  • Consistent Effect
                  • Easily Mounted
                  • Firm Mount
                  • Strong Construction

                  Cons

                  • Spendy But Worth It

                  Best Uses

                  • Color Correction

                  Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                  Bear with me here. This filter is excellent. . . here's why. . .
                  1. Taming the leaf-reflection burnouts:
                  This Canon polarizer is a great investment. I does a fantastic job of cutting down on the glare and refraction which occurs in tree leaves which are being inundated with direct sunlight. With no polarizer, leaf refractions often appear as exposure burnouts which can be distracting to the viewer and make your work look a bit amateurish. The Canon polarizer does wonders for taming these burnouts and replacing them with evenly exposed, rich, saturated color (but not too saturated!).
                  2. Beautiful blue sky:
                  Though mostly imperceptible to the naked eye, water vapor in the atmosphere does in fact refract sunlight. The sky is therefore kind of like a giant see-through scrim/reflector, which is why it often appears more of a baby blue rather than a royal blue. The Canon polarizer reduces this refraction and turns your skies into a nice rich blue. While you can always turn a sky more blue in post production, it's definitely a good idea to get the best possible image you can in-camera.
                  3. Quality is everything:
                  If you shoot with Canon L-Glass, why would you put a $60 filter on the end of a $2000 lens? Your image is only as good as your weakest piece of glass. Yes, this filter is pricy, but it was engineered by Canon for Canon.
                  4. Lens cap
                  Your Canon lens cap will always fit perfectly on the end of your Canon filter. With other brands of filter, your lens cap will fall off.
                  5. Lens versatility
                  I own the 24-70mm F2.8L, the 70-200mm F2.8L, the 17-35mm F4 L and the 24-105mm F4 L. This filter fits all of these lenses (77mm diameter) and more!

                  Wow, I talk way too much. Enjoy your Canon filter. It is excellent.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  5.0

                  Polarizing Filter

                  By Ed

                  from Baton Rouge, LA

                  About Me Casual Photographer

                  Verified Buyer

                  Pros

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

                  Cons

                  • None

                  Best Uses

                  • Image Manipulation

                  Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                  To block out glare

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  5.0

                  Fantastic effects

                  By Mel

                  from Chico, CA

                  About Me Semi-pro Photographer

                  Verified Buyer

                  Pros

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

                  Cons

                    Best Uses

                    • Color Correction
                    • Lens Protection

                    Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                    Used to enhance clouds & remove glare

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    Excellent choice

                    By Flyright charters

                    from Charleston, SC

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

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

                    Cons

                      Best Uses

                      • Color Correction
                      • Image Manipulation

                      Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                      A must have for shooting outside or around water. Superb canon quality. Zero lens flare.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      It's made by Canon, nuff said

                      By Marvin

                      from Chesapeake, Va.

                      About Me Photo Enthusiast

                      Verified Buyer

                      Pros

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

                      Cons

                        Best Uses

                          Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                          When needed for photos

                          • Was this a gift?:
                          • No

                          Share this review

                          (1 of 1 customers found this review helpful)

                           
                          5.0

                          Great Polarizer!

                          By Marty

                          from Peoria, IL

                          About Me Semi-pro Photographer

                          Verified Buyer

                          Pros

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

                          Cons

                            Best Uses

                            • Lens Protection
                            • UV Protection

                            Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                            Who better then Canon knows the type of glass to use on a Canon lens!

                            • Was this a gift?:
                            • No

                            Share this review

                            (2 of 2 customers found this review helpful)

                             
                            5.0

                            Worth The Price

                            By Shadowalker

                            from Willow, Alaska

                            About Me Tech Savvy

                            Verified Buyer

                            Pros

                              Cons

                                Best Uses

                                • Shooting Outdoors

                                Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                                Cheap (under $100) polarizing filters take the edge off the image quality of the Canon "L" lenses I use. These Canon polarizers do not impact the quality.

                                • Was this a gift?:
                                • No

                                Share this review

                                 
                                5.0

                                Nice Filter

                                By MRScubafrog

                                from Ewa Beach, HI

                                Verified Buyer

                                Pros

                                • Improves Picture Quality

                                Cons

                                  Best Uses

                                  • Shooting Outdoors

                                  Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                                  Worth the money.

                                  Share this review

                                  (3 of 4 customers found this review helpful)

                                   
                                  5.0

                                  Thin Polarizer with great results

                                  By Robert

                                  from Olney, MD

                                  About Me Photo Enthusiast

                                  Verified Buyer

                                  Pros

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

                                  Cons

                                    Best Uses

                                    • Artwork
                                    • Image Manipulation

                                    Comments about Canon 2191B001 77mm Circular Polarizing Filter:

                                    I am using this on my Canon 5D Mark II with 70-200 f2.8 lens. I'm getting great results at the lake. The polarizer is thin and threads easily.

                                    • Was this a gift?:
                                    • No

                                    Share this review

                                    Caps & Wrenches

                                    Sensei -  62-77mm Filter Wrench (Set of 2)
                                    • You Pay: $5.95
                                     

                                    Care & Cleaning

                                    Show more >
                                    Pearstone -  Microfiber Cleaning Cloth, 18% Gray (7 x 7.9")
                                    • You Pay: $4.99
                                     
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