B+W 77mm Circular Polarizer MRC Filter

BH #BWCPMC77 • MFR #66-044844
B+W
B+W 77mm Circular Polarizer MRC Filter
Key Features
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • MRC Multi-Resistant Coating
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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.
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$89.99
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B+W 66-044844 Overview

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.

B+W 66-044844 Specs

Filter TypeCircular Polarizer
Filter Factor2.5x (1.3-Stop)
Circular Size77 mm Filter Thread
RotatingYes
Front Accessory Thread / Bayonet77 mm
CoatingsMulti-Coating
Filter MaterialGlass
Ring MaterialBrass
Packaging Info
Package Weight0.205 lb
Box Dimensions (LxWxH)3.75 x 3.7 x 0.85"
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Browsing History

question

Is there any warranty on this item?
Asked by: Paul
This filter comes with a Limited 1-Year Warranty against manufacturing defects.
Answered by: Dennis A
Date published: 2019-08-02

question

B+W 77mm Circular Polarizer MRC Filter is it variable ??
Asked by: Anonymous
Yes. When attached to the camera lens the Ploarized element can be rotated to minimize reflected glare. Similar to looking with one eye through a Polaroid sunglass lens and rotating the frame to reduce reflected glare.
Answered by: Anonymous
Date published: 2018-10-24

question

What is difference between this filter and B+W 77mm F-Pro Kaesemann High Transmission Circular Polarizer MRC Filter?
Asked by: Amy
The B+W 77mm Circular Polarizer MRC Filter B&H # BWCPMC77 is a conventional Polarizer and an excellent filter. I have one and it is terrific. The B+W 77mm F-Pro Kaesemann High Transmission Circular Polarizer MRC Filter B&H # BWKCPMCH77 on the other hand has valuable features like being brighter and not taking so much light. The Kaesemann feature means the filter is water sealed. I have not used this one but I feel it is right way to go.
Answered by: Dennis A L.
Date published: 2018-08-28

question

Will this fit rokinon 35mm T 1.5 lens?
Asked by: Devan S.
Check with the Rokinon web site or where you bought it to find out if it takes a 77mm filter. I bought it for a Canon lens.
Answered by: Michael J G.
Date published: 2018-08-28

question

this polarizer filter can fit on canon 70d?
Asked by: pedro luis
It's not about the camera, it's about the lens size. Each lens will tell you what size it takes. Look on the back of your lens cap. If it says 77mm, it's the right one. If it says any other number, you need that number.
Answered by: Jessica L.
Date published: 2018-08-28

question

Has anyone used this with an ultrawide angle lens? I'll be using it with a Canon16-35mm F4 L on a full frame body and I'm worried about vignetting.
Asked by: Rob B.
You shouldn't experience vignette on your lens using this filter.
Answered by: Heather S.
Date published: 2019-03-06

question

Has anyone used it on a 16-35mm F4 on a full frame Canon? I'm worried about vignetting.
Asked by: Rob B.
There may be slight vignette at the widest end of the focal range, but it shouldn't affect your shooting.
Answered by: Heather S.
Date published: 2018-08-28

question

Can I use this circular polarizing filter indoors and use a speedlite at the same time? I wonder what would be the effect on the pictures. I own a Canon 70d and maybe I'll use it with Sigma 17-50 f2.8 or Canon 24-105 f4L.
Asked by: John Paul R.
Should have little to no effect. May cause a inaccurate meter reading.
Answered by: LEE J.
Date published: 2018-08-28
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