B+W 72mm UV/IR Cut MRC 486M Filter

B+W 72mm UV/IR Cut MRC 486M Filter

B+W 72mm UV/IR Cut MRC 486M Filter

B&H # BW486MC72 MFR # 66-031975
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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 66-031975 overview

  • 1Description

The B+W 72mm 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 72mm 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 72mm 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 72mm 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 72mm 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 72mm UV/IR Cut MRC 486M Filter features an F-Pro brass filter ring for durability and jamming prevention, as well as 72mm 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 72mm 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.
72mm 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 72mm UV/IR Cut MRC 486M Filter
  • Filter Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    B+W 66-031975 specs

    Filter Type Ultraviolet and infrared control
    Size 72 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 72 mm
    Front Filter Thread Size 72 mm
    Front Lens Cap Size 72 mm
    Packaging Info
    Package Weight 0.18 lb
    Box Dimensions (LxWxH) 3.7 x 3.7 x 0.8"

    B+W 66-031975 reviews

    72mm UV/IR Cut MRC 486M Filter is rated 4.0 out of 5 by 5.
    Rated 1 out of 5 by from Just for long focals I bought this filter in two sizes to use in my Fuji IS-Pro just to have more versatility. So I can get natural visible light results with that camera as well as I can capture infra-red images with no filter or using special IR filters. The fact that the filter cuts the unwanted UV and IR lights by interference, rather than by absorption sounds like magic or trick. Amazingly, it really works! Pictures taken with this filter show no trace of the effect of infrared light. So, a light and thin coated glass can do the job., but The problem comes from the same properties of interference given by the coatings: the interference varies with the angle of incidence of the light on the glass. This renders this filter unusable with wide-angle and even normal focal lenses, resulting in a greenish gradient from the center to the corners. The center may be neutral, according to the proper white balance, but the green color cast is clearly perceptible around it, the wider the angle. My careful tests have shown that only lenses longer than 50mm (short telefoto) may give acceptable results. That throws away the versatility that I expected from that camera and so I just carry it when I plan to do IR images. So this expensive filter has turned practically useless for me.
    Date published: 2010-07-05
    Rated 5 out of 5 by from Allows blacks to remain black Bought this filter for one of my old Nikon AI lenses to be used with a Sony PMW-F3 camera. It does what it was intended to do , filter out far red without otherwise interfering with the image. I bought several of these filters in different thread sizes and plan to leave them permanently affixed to their respective lenses.
    Date published: 2011-06-13
    Rated 4 out of 5 by from UV/IR Cut 486M Filter I shoot both with film and digital format and noted the limited dynamic range of electronic image sensors, scenes taken under bright tropical sunlight often lose dynamic quality and color saturation. Although in the past UV was partly the cause but IR filtration does help improve the image quality and color rendition.
    Date published: 2015-12-31
    Rated 5 out of 5 by from Color accuracy for UVIR sensitive Camera When you are not taking pictures on the Infra-Red or Ultra Violet spectrum, on a specialty camera like Fujifilm IS Pro, this filter restricts camera sensitivity to the visible light, avoiding changes on colors and focus associates to the UV/IR. Undesirable UV/IR rays are blocked via interference instead of subtraction.
    Date published: 2012-02-26
    Rated 5 out of 5 by from Best for the money Have on two other lens. Very satisfied with the image quality.
    Date published: 2015-11-20
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