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B+W 77mm Kaesemann Circular Polarizer MRC Filter
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. 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 | 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 Filter Thread Size | 77 mm |
| Front Lens Cap Size | 77 mm |
REVIEW SNAPSHOT®
by PowerReviews(based on 137 reviews)
Ratings Distribution
98%
of respondents would recommend this to a friend.
Pros
- Strong construction (97)
- Clear optics (96)
- Firm mount (83)
- Easy to use (70)
- Consistent effect (33)
Cons
- Pricey / poor value (5)
- Doesn't fasten well (3)
Best Uses
- Color correction (46)
- Image manipulation (41)
- Lens protection (35)
- Shooting outdoors (18)
- UV protection (13)
- Reviewer Profile:
- Photo enthusiast (49), Semi-pro photographer (32), Enthusiast (13), Tech savvy (10), Pro photographer (9)
- Was this a gift?:
- No (73)
Most Liked Positive Review
Top-of-the line polarizer
I have both this polarizer, and the Hoya Pro 1 Digital for wide angle lenses, and other B&W polarizers (non Kaesemann). With my EF-S 17-55mm and Canon 50D, I co...Read complete review
I have both this polarizer, and the Hoya Pro 1 Digital for wide angle lenses, and other B&W polarizers (non Kaesemann). With my EF-S 17-55mm and Canon 50D, I could see no vignetting, even at wide angle and f/2.8, so getting the wide angle version is not needed in my case. This way, I can put a regular lens cap on the polarizer. The colors seem more accurate than my Hoya polarizer. The ring is heavier and harder to rotate, but it seems more sturdy. After time though, some of my B&W polarizers become "sticky" and harder to rotate smoothly. The coating is superior to Hoya, there are clearly less reflections. Also, the back of the filter is much easier to clean (seems to smudge on the Hoya). The coating seems to be more resistant to scratches as well. It is also sealed for better durability from the environment (good for travel). The only downside is that the filter is harder to rotate (for example with a lens shade on, with the Hoya it's easy to do with one finger). Another important factor is that the filter stops clearly less light than Hoya, which is good (for example shutter speed of 1/320 or 1/400 vs. 1/500 with Hoya at same ISO and aperture). Overall, looking at top-of-the line polarizers, this one is clearly the best.
VS
Most Liked Negative Review
Polarizer filters often won't release
Excellent glass and filtration (as it should be for a top-tier product and brand name B+W. But there's a big catch in terms of mounting threads... notorious for "locking up&...Read complete review
Excellent glass and filtration (as it should be for a top-tier product and brand name B+W. But there's a big catch in terms of mounting threads... notorious for "locking up" once screwed on, especially when screwed into B+W's setup ring (anodized aluminum). Large front section of P-filter spins as is required for polarizing-angle use; behind that is a very tiny gripping area ring... that too-often refuses to unscrew. B+W claims they've never heard of the issue. Unscrewing it in the field under difficult circumstances is near impossible, even indoors. Do consider buying filter-wrenches. Oddly, B+W doesn't make any, nor provide them with a polarizer. In summary: great glass. Poor mount.
Reviewed by 137 customers
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Displaying reviews 1-20
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Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Artwork
- Color Correction
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Before I purchased this filter, I researched different brands such as B+W and Hoya. After reading many reviews, I was sold to B+W. Sure, it is more in the expensive side but it is worth every penny. Quality is delievered in this product.
The rotation ring was very smooth and I didn't noticed any lose in sharpness. It just makes my photos pop out.
I don't have any negative things to say about this product.
- Was this a gift?:
- No
Pros
- Excellent optical quality
Cons
- Doesn't Fasten Well
Best Uses
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
The mounting threads is not easy to lock up when I screwed it on and I have to make a same direction turen to find a good postion to take a picture, otherwise, it could lose the filter ring.
The glass quality is excellent.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
I spend a lot of time on the water. This filter makes the colors cleaner and protects the expensive glass behind it.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Strong Construction
Cons
- None at this time
Best Uses
- Color Correction
- Lens Protection
- UV Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
The circular polarizer MRC filter by B&W provides excellent control and color enhancement. The Kaesemann feature allows for very detailed polarizer effects. I have chosen the 77 mm size for use with my main lenses (24-105 f4L canon and 17-55 f2.8 EFS)and I have step down rings for use on smaller lens sizes. A filter wrench is an essential tool as filters do tend to stick occasionally.
In fact, this filter is so good, I have been leaving it on my 24-105 f4L almost all the time now.
The only downside, of course, is the cost - but just like all "good glass" you get what you pay for.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Artwork
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
When I received my polarizar I hit to the Rain Forest to test it. The blues and greens are more vivid, the 2 stops down were a most for shooting the water falls and also helps in eliminating the water reflections.
- Was this a gift?:
- No
Pros
- Clear Optics
- Easily Mounted
- Strong Construction
Cons
Best Uses
- Artwork
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
A great piece of equipment for landscape photography
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
- None
Best Uses
- Artwork
- Color Correction
- Lens Protection
- UV Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Great for sunny days there in AZ. Photo's look great.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
Cons
- Lens cap fit
- Minimal vignetteing
Best Uses
- Beach shots
- Cuts glare
- Lens Protection
- UV Protection
- Water glare
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
This is not the best circ polarizer on the market, but a good midrange one. It gives great depth of color to scenes and cuts glare beautifully. I recently went to Samoa and without this polarizer my photos wouldnt have been half as good. I used it in many situations, on beaches of course, and in jungles too. It really gave a nice deep feel to my shots. No color cast to speak of. Beautiful, great value for a midrange circ pol.
Only two shortfalls, as it has a thinish mount my lens cap didnt stay on 100% of the time. Too at very wide angle focal lengths there was some vignetteing.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Strong Construction
Cons
- Cross-Threads Easily
- Doesn't Fasten Well
Best Uses
- Color Correction
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Beautiful image quality for water shots
Just returned from Carribean where the filter produced some very clean, tack sharp photos
Combined with 1-stop ND filter for great sunset photos over the water
B+W has the best, period.
- Was this a gift?:
- No
Pros
- Clear Optics
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
- Doesn't Fasten Well
Best Uses
- Image Manipulation
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Great, solid polarizer. Like all my other B&W products, this filter works flawlessly. Sometimes can be a little tough to mount.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
B+W is a reputable brand, and the quality is superb. I live on the coast, and the salt air and moisture make the Kaeseman a necessity.
- Was this a gift?:
- No
Pros
- Clear Optics
- Easily Mounted
- Firm Mount
Cons
Best Uses
- Lens Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Clarity is incredible
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Image Manipulation
- Lens Protection
- UV Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
primarily used for landscape photography. Is sturdy as advertised I haven't used it in any harsh environments yet but I trust B+W to deliver.
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Color Correction
- Image Manipulation
- Lens Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Precise and solid build. Clear clean coating. Amazing optical effect. Very satisfied.
- Was this a gift?:
- No
Pros
Cons
Best Uses
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
I only have it 3 stars as when I screwed this filter onto my UV filter, I could not get them apart. This was mentioned in other reviews and took me 2 hours to get it unscrewed. Lesson learned: Do not attempt to screw this on to another filter (ie UV filter), remember to take off any filters and screw this one on instead.
Pros
- Clear Optics
- Consistent Effect
- Easily Mounted
- Firm Mount
- Strong Construction
Cons
Best Uses
- Artwork
- Image Manipulation
- Lens Protection
- UV Protection
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
I use the B+W filters for both protective and special effects, adding depth and dimension to my photographs. I have tried other filters and although you do pay a premium for B+W's they are without question the best filters available. I had used B+W for years, on occasion I have tried others brands but always ended up returning to B+W's. The only drawback with B+W's I can find is the price. The new XS slim filters have reduced the weight that some people spoke of because B+W uses brass rings on the filters (they weight more). I just purchased a 77mm Kaeseman for a mountain climb to 14,000ft, I took the sealed option because I don't want to worry about my lens (water, condensation and dust), the B+W makes sure of that.
- Was this a gift?:
- No
Pros
- Improves Picture Quality
Cons
Best Uses
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
This is an extremely well-made, high quality lens filter. Works great on my Canon EF 24-70 f/2.8L on a Canon 5D Mark II. The images are gorgeous.
- Was this a gift?:
- No
Bottom Line Yes, I would recommend this to a friend
Images shared by Mike
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Pros
- Easy To Use
- Improves Picture Quality
Cons
Best Uses
- Shooting Outdoors
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
I have not had a chance to test this product extensively. In my limited testing, it polarized as expected without any loss of details. My previous cheap polarizer made pictures look soft. This polarizer is a large upgrade.
- Was this a gift?:
- No
Pros
- Easy To Use
Cons
Best Uses
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
Fantastic filter, great build quality
- Was this a gift?:
- No
Pros
- Compact Design
- Easy To Use
- Improves Picture Quality
Cons
- None
Best Uses
- Close Up Filming
- Marine Photography
- Panoramic Filming
- Shooting Indoors
- Shooting Outdoors
Comments about B+W 77mm Kaesemann Circular Polarizer MRC Filter:
I do a lot of marine photography of sailboat regattas from the fly bridge of power boats. I do not often have a choice of shooting at optimum sun angle. That means my shots can be right into the sun, at right angles or with the sun behind me. The only way I can obtain color that closely resembles the human eye is with this filter. The results are truly remarkable. Also I shoot a lot of panoramic landscapes with similar spectacular results when using this amazing filter. Very smooth rotation with just my index finger.
- Was this a gift?:
- No
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Filter pouch
-
- Original: $9.95
- Save: $0.99
- Price: $8.96
Care & Cleaning
-
- Original: $4.99
- Save: $0.50
- Price: $4.49
Caps & Wrenches
- Price: $16.95
This item is backordered by the manufacturer.
What's in the Box
- 10-Year Limited Warranty
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