B+W 77mm Circular Polarizer MRC Filter

B+W 77mm Circular Polarizer MRC Filter

B+W 77mm Circular Polarizer MRC Filter

B&H # BWCPMC77 MFR # 66-044844
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Product Highlights

  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • MRC Multi-Resistant Coating
  • Rugged Brass Filter Ring
  • High Quality Schott Glass
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B+W 66-044844 overview

  • 1Description

The B+W 77mm 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.

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.
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.
In the Box
B+W 77mm Circular Polarizer MRC Filter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    B+W 66-044844 specs

    Filter Type Circular Polarizer
    Filter Factor 2.5 (1.3 Stop)
    Shape Circle
    Circular Size 77 mm
    Rotating Yes
    Front Accessory Thread / Bayonet 77 mm
    Filter Material Glass
    Coatings Multi-Coating
    Packaging Info
    Package Weight 0.2 lb
    Box Dimensions (LxWxH) 3.7 x 3.7 x 0.6"

    B+W 66-044844 reviews

    77mm Circular Polarizer MRC Filter is rated 4.7 out of 5 by 180.
    Rated 5 out of 5 by from Invest in the best As a professional nature photographer I know the importance of high quality filters. Having owned and used several B+W filters I will not use any other brand. Of all the filters in my bag, the polarizer is the most important for landscape photography; reducing the amount of reflected light, intensifies blue skies, and reduces glare. Beware of using a cheaper filter sold at local camera stores. If you are willing to buy a top quality lens and want to get top quality images then dont try and save money on the filter. Remember, when you attach a filter to the end of your lens you run the risk of corrupting the final image. In my experience, I have never encountered any distortion or compromised my final image when using a B+W filter
    Date published: 2008-07-22
    Rated 4 out of 5 by from Works well enough I'm using this ring to attach the B+W CPL MRC filter (77mm) to the Nikkor 55-300 3.5-4.5 lens (58mm front filter thread). It attaches smoothly to the lens and the ring itself is built well (sturdy and smooth). My only gripe is that the ring does not allow the filter to screw in all the way. It appears to jam after about 1.5 revolutions. I have tried the filter on the appropriate sized lenses and it does not jam so the issue lies with the way the 77mm portion of the ring is machined. The reason I am rating this ring 4 stars is because the filter is able to screw in far enough that it does not fall off and is therefore still functional.
    Date published: 2011-07-11
    Rated 5 out of 5 by from excellent product This circular polarizer is the best built one that I have ever used . the polarizing ring is extremely well machined and smooth. The glass is remarkable and has a very low light blockage, unlike many of its competitors. Remember you are using this cp to enhance colors and contrast, and remove reflections, not to darken the image.Easy to install and remove from the lens. Extremely well made. Resist the urge to put a cheap, poorly made peace of glass in front of that lens that you spent a fortune for, you are actually better off with no polarizer than one that is going to degrade your image rather than enhance it. The B+W will certainly improve your photos without any degradation of the image.
    Date published: 2014-05-29
    Rated 4 out of 5 by from A Must Have for Outdoor Photography This is a very handy filter for shooting outdoors and shooting photographic subjects where certain reflections need to be reduced or eliminated. I use this filter with Canon 70-200mm f/2.8L and 24-70mm f/2.8L lenses paired with a Canon EOS 5D Mark II body. I can't detect any negative hits on image quality from this B+W filter. Such good optics do command a high price. The results look great. Colors pop better. Skies are more blue -even too blue sometimes, but the filter is easy to rotate to dial in the right amount of polarizing effect.
    Date published: 2009-11-04
    Rated 3 out of 5 by from Kind of Pricey for what you get The surface stains rather easily and is somewhat difficult to wipe clean. The overall polarizing effect is not as noticeable as I had hoped for compared to other less expensive polarizer filters I have used in the past. It does feel solid and is a bit heavier than it looks. I'm assuming that it is better constructed than less expensive filters judging solely by its weight. Major item missing is a small notch making the rotating ring easier to use. It is too easy to touch the front glass while rotating the ring, and wiping the finger print smudges is not easy to do. I noticed that all of my images have a slight bluish cast to them with this filter attached. While I checked off that I would recommend this to a friend, I would advise my friend to look for a less expensive filter first, but if he or she wants a slightly better built filter then go for this one.
    Date published: 2010-08-08
    Rated 4 out of 5 by from Great Quality - Good Optics Really happy with this circular polarizer. As soon as you pick it up you can feel that it's a quality piece. The optics (because it's higher-end coated glass) are phenomenal. It really did a fantastic job making the sky appear richer and cutting reflections down off of a lake I was shooting at. I only have one minor complaint. It is a little stiff to turn and rotate. I wish it was a little easier to turn back and forth once mounted on the lens. If you don't screw it on tight enough, it can actual un-thread while you are turning.
    Date published: 2008-08-12
    Rated 5 out of 5 by from I would buy this product again & again I just got this filter,and I am happy with the results,I had another circular polarize but this 1 is the best, It great for glare and the pictures are better, you can't go wrong .The price is not bad for what you get in return. If you have good lens you see a big difference.I would buy B&W because of the way they are made. It works well on my 70-200 2.8 l lens and my 24-105 l. If you serious about photography go for it.
    Date published: 2015-03-09
    Rated 5 out of 5 by from Must have Accesory! If you do not have a good Polarizing filter I would highly recommend you get one soon. The huge boost they give you on sunny days and with pictures of people in vehicles (i.e. bride & groom driving away)is more then enough to compensate for the cost. That said, if you are going to get one for your high end 77mm lens it should really be one that will not give you any degradation in quality, and so far this one by B +W is the best I have come across. The bottom line with a Polarizing filter is you are able to massively increase the Dynamic range capabilities of your camera for a small cost.
    Date published: 2009-08-11
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