B+W 77mm UV/IR Cut MRC 486M Filter

B+W 77mm UV/IR Cut MRC 486M Filter

B+W 77mm UV/IR Cut MRC 486M Filter

B&H # BW486MC77 MFR # 66-031976
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Product Highlights

  • UV and Infrared Control Filter
  • For Digital Cinematography, Still Photos
  • 1x Filter Factor, No Exposure Change
  • Blocks 88% of Ultraviolet Light at 380nm
  • Reduces Bluish Cast of Daylight
  • Blocks 95% of Infrared Light at 700nm
  • Use with Multi-Stop ND Filters
  • Prevents Infrared Light Pollution
  • Maintains Appearance of Dark Areas
  • Helps Preserve Color Accuracy
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B+W 66-031976 overview

  • 1Description

The B+W 77mm UV/IR Cut MRC 486M Filter is an ultraviolet and infrared control filter that is useful for digital cinematography as well as still photography. While recording video with a CCD or CMOS camera, multi-stop neutral-density filters are used to maintain proper exposure by compensating for increased light levels when widening the camera lens's iris to obtain a narrower depth of field. As the increased amount of light passes through multi-stop neutral-density filtration, visible light is progressively blocked, while infrared light is allowed to pass through. As the proportion of infrared light that reaches the sensor of a camera being used for digital cinematography becomes greater, the results can show unwanted color shifts, particularly in dark areas of the frame such as shadows where the appearance of black is dominant.

When the B+W 77mm UV/IR Cut MRC 486M Filter is applied, 88% of ultraviolet light waves are blocked at 380 nanometers along with 95% of infrared light waves at 700 nanometers, helping to ensure that light falling on a digital camera sensor is limited to the visible spectrum. When used along with multi-stop neutral-density filters while recording with a digital sensor, potential infrared color shifts are prevented or minimized, preserving color accuracy throughout the frame. This filter may also be used to help ensure that the appearance of unwanted blue casts is reduced while recording digital video or still photos under daylight that also features intense ultraviolet light.

The front surface of a B+W 77mm UV/IR Cut MRC 486M Filter includes thirty layers of interference coatings which allow it to limit the light that falls on a digital camera sensor to the visible spectrum. When combined with a wide-angle lens, lower-frequency wavelengths of visible light associated with yellow, orange, and red colors passing through the filter and along that lens type's curved edges can be impeded in a significantly greater degree than higher-frequency wavelengths of visible light associated with blue and violet colors. This can result in an unwanted cool cast along the edges of an image taken with a B+W 77mm UV/IR Cut MRC 486M Filter and a wide-angle lens. To avoid such color shifts along the edges of an image when using this filter, it is recommended not to be used with lenses that are intended to provide an angle of view greater than 60°.

Eight layers of anti-reflection coating are included on the rear glass surface of this B+W 77mm UV/IR Cut MRC 486M Filter. This Multi-Resistant Coating (MRC) prevents internal ghosting and reflections, offers protection to the filter substrate, and helps its rear surface to stay clean for longer than with uncoated filters.

B+W filters are constructed from Schott glass for increased optical clarity and color fidelity. The B+W 77mm UV/IR Cut MRC 486M Filter features an F-Pro brass filter ring for durability and jamming prevention, as well as 77mm front filter threads that allow it to be paired with other filter types. When in use, but not combined with another filter that provides a specific effect, it is recommended to place a clear, protective filter over the B+W 77mm UV/IR Cut MRC 486M Filter to prevent damage to its front interference coatings.

88% of ultraviolet light waves are blocked at 380 nanometers, before which they are further removed, reducing bluish cast of daylight when recording video or still photos.
95% of infrared light waves are blocked at 700 nanometers, after which they are progressively eliminated.
Useful with CCD or CMOS sensors to filter out infrared light pollution that cause color shifts frequently associated with high-definition recording with multi-stop neutral-density filters.
Does not require adjustments to exposure while in use.
Thirty layers of interference coatings on front surface limits light that falls on a digital camera sensor to the visible spectrum.
Multicoated rear surface prevents internal ghosting and reflections.
Constructed from Schott glass for optical clarity.
F-Pro brass filter ring helps to prevent jamming and provides additional strength.
77mm front filter threads allow use with other filters to protect front surface or combine with other effects.
Plastic case for storage and transport.
In the Box
B+W 77mm UV/IR Cut MRC 486M Filter
  • Filter Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    B+W 66-031976 specs

    Filter Type Ultraviolet and infrared control
    Size 77 mm
    Filter Factor 1 (0 stop)
    Effect Reduces unwanted blue casts when used under daylight; prevents or minimizes unwanted color shifts when using multi-stop neutral density filtration with digital cinematography cameras
    Construction Schott glass
    Rear Thread 77 mm
    Front Filter Thread Size 77 mm
    Front Lens Cap Size 77 mm
    Packaging Info
    Package Weight 0.2 lb
    Box Dimensions (LxWxH) 3.701 x 3.701 x 0.787"

    B+W 66-031976 reviews

    77mm UV/IR Cut MRC 486M Filter is rated 4.3 out of 5 by 10.
    Rated 4 out of 5 by from Red Spot Be aware that you can not leave this filter on a camera as a 'protection' filter. It works well for it's intended use - to render true color of black colored sythetic fabrics for example. However I discovered red spots when used at night with a high pressure sodium lighting source. Leave a UV filter on the camera for protection and use this one only when needed. It's a first class filter.
    Date published: 2009-01-14
    Rated 5 out of 5 by from I'm afraid I need more of these I purchased two of the 77mm UV/IR filters to use with a Nikkor 70 - 200mm f 2.8 VR II and a 24 - 70 f 2.8 lens, the first on the 70 - 200mm to test it against the UV filter only, the second when I realized they were worth the money and the effort. I'm finding the images taken in indoor available light are much more to my liking. The cost is insane, but then everything about the cost of these lenses is insane, the pictures, however, are first rate.
    Date published: 2010-01-25
    Rated 4 out of 5 by from Needed for CMOS cameras An unfortunate side affect of CMOS cameras is there problem with IR. This filter is currently the best way to deal with the problem. On some cameras, like the EX series, it can cause a green cast to the image at wide angle.
    Date published: 2009-05-27
    Rated 5 out of 5 by from Safety First for Eclipse Photos I purchased a B&W ND 3.0 filter to shoot the May eclipse. I was going to add it to a B&W ND 0.9 to cut down the energy entering the lens. I read however that an ND filter won't adequately cut the IR, and that retinal burns might result. I put this filter on with the NDs to cut both the UV and the IR. Retina is fine, and so were the photos of the eclipse that I shot in Nevada.
    Date published: 2012-05-22
    Rated 5 out of 5 by from Wake up your D-SLRs true potential! I have this filter mated to a Canon Rebel T2i / 24-105mm F4 L IS USM combination, and knowing that the lens was $1,100, I wanted to make sure it maintained its optical quality while mitigating a CMOS sensor's propensity to blow out skies due to UV and particularly IR interference. Immediately after putting this filter on the camera and shooting cityscapes, I noticed skies which usually were pale blue at best became a more intense blue, bricks became redder, and general detail became sharper. As a film photography aficionado, knowing that I can do what would normally be done in Post-processing with artificial programming functions could be done naturally just as with film. One of the reasons I don't like post-processing is that synthetic processing algorithm acts like CDs... sure it has the same sound / view more or less, but it lacks the nuance of a record / filter. The coating is both purple and green, multi-coating that within those colors causes the blockading of the undesirable UV and IR rays.The build quality of this filter is amazing. Brass, good glass, and it fits the lens like a glove. I initially feared that it wouldn't because of the amount of screwing on required, but the tight screw incline ensures that it will stay on. As an added bonus, this filter's clarity means that it doesn't lose light (ie: cause increase of shutter speed) as it blocks out UV and IR. Now I know I have brought up UV and IR quite a lot in the context of digital cameras, here's th importance of a UV / IR filter. Unlike film, which isn't terribly affected by IR rays (although UV will affect it), Digital CMOS sensors commonly found in modern digitals are sensitive to IR, and the IR will result in flare, coma, aberrations, and worse, it can contribute to making skies that should be blue become whited out. (Undesirable trait to see, nice photos with whiteout skies..)Now I know some would ask why pay $ on a filter?!. Sure you can spend less, but many of the less expensive 77mm filters, even from high-end filtermakers, only cover UV; and thus designed for film. Only half of the problem of flare, coma, etc., is solved. Would you leave a business or corporate problem half-solved because the more popular solution is raised? Of course not. Why do that for a piece of machinery that could be used in a professional or amateur application? Why spend thousands on equipment to not get the most of it? B+W's UV IR filter brings out more film-like properties of the camera-lens that it's being applied to because it eradicates the aforementioned strickenings of IR. It makes using professional lenses and good digital cameras more enjoyable by bringing out more contrast, more detail, etc., without blowing out the details or making an un-natural processing effect occur in your camera.Great filter, would highly recommend to others.
    Date published: 2011-03-07
    Rated 1 out of 5 by from This Filter Was a Mistake I bought it to use on a converted camera with no internal hot mirror. It is no good for wide-angle lenses. See attached image.
    Date published: 2016-10-26
    Rated 5 out of 5 by from great works great in combinations with variable ND
    Date published: 2014-06-24
    Rated 5 out of 5 by from Works great with red mx sensor, in my case Red Scarlet-X I purchased this IR filter to cut infrared polution on my red scarlet-x it does good work keeping blacks dark and greens vivid and bright. If you have RED camera with mx sensor it will do the job cuting IR.
    Date published: 2017-01-24
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