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B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter

  • Preço: $156.50
  • B&H # BW486MC77
  • Fab# 66-031976

Características de produto em destaque

  • MRC (Multi-Resistant Coating)
  • Anel de filtro em bronze preto resistente
  • Vidro Schott de alta qualidade
  • 10 anos de garantia (Apenas nos EUA)

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This B&W 77mm 486 Digital UV/IR (MRC) Blocking Filter has a completely colorless glass carrier coated with a number of extremely thin, partially reflecting layers with precisely computed thicknesses, similar to MC coating (multi-coating).

The B&W 486 Filter is not an "absorption" filter. It interferes with unwanted UV and IR radiation which affects the wavelengths of both ends of the visible spectrum. The disruption occurs when these two variables scatter between each other and cause a drop-off effect.

The filter ring is made from brass yielding a stronger product. Brass filter rings are also less prone to jamming. In addition, the seal between the glass and filter ring is exceptionally strong giving the filter added strength and durability.

The Multi-Resistant Coating (MRC) is harder than traditional B+W glass. This helps prevent scratches as well as being water and dirt repellent.

In production, the filter glass is dropped into the empty filter ring from the rear and held in place with a threaded retaining ring; this is a definite advantage over a competitor who uses a spring clip to hold the glass in place. A threaded retaining ring will hold the glass firmly and securely in place to avoid the possibility of rattling and provide perfect parallelity and flatness to your front lens element for ideal optics. The part about additional filters not binding is due to the fact that brass is a very stable metal and does not contract or expand like alloy.

The reputation of B+W's Schott glass is world renowned. The high production standards combined with a sturdy brass filter ring make B+W filters hard to beat. These filters have a "heft" to them that is impressive. They may feel heavier but the benefit is in the construction and results. Not only is the glass exceptional but so is the seal between the ring and glass. Schott Glass used in the manufacture of this filter is legendary and synonymous with the highest standards of filter production. It comes with a solid 10-year warranty.

Used mainly on digital and video cameras with CCD sensors without an integrated IR protection filter, because the IR sensitivity of the CCD sensor would otherwise cause color changes and unsharpness.
That unsharpness results from the chromatic aberration of the lenses that are only corrected for visible light.
In the visible range, the transmission curve is very high and straight.
Type Infrared
Tamanho 77mm
Grade 486
Filter Factor This filter is completely clear and it requires no increase in exposure
Multi-Coated Yes, MRC (Multi-Resistant Coating)
Giratório Não se Aplica
Effect Blocks unwanted UV and IR radiation
Application Digital and video photography
Temperatura de Cor Não se Aplica
Construção Vidro Schott
Tamanho da Rosca do Filtro Frontal 77mm
Tamanho da Tampa da Lente Frontal 77mm

REVIEW SNAPSHOT®

by PowerReviews
B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter
 
4.5

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Clear optics (3)
  • Firm mount (3)
  • Strong construction (3)

Cons

    Best Uses

    • Color correction (3)

    REVIEWS

    Reviewed by 4 customers

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    Displaying reviews 1-4

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    (1 of 2 customers found this review helpful)

     
    5.0

    Wake up your D-SLRs true potential!

    By Jason S. Ganz

    from Hewlett, NY

    About Me Photo Enthusiast

    Verified Reviewer

    Pros

    • Clear Optics
    • Does as advertised
    • Enhances contrast
    • Firm Mount
    • Strong Construction

    Cons

    • cost

    Best Uses

    • Color Correction
    • Filter Protection
    • IR blocking
    • Lens Protection
    • UV Protection

    Comments about B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter:

    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.

    • Was this a gift?:
    • No

    Comment on this review

    (0 of 1 customers found this review helpful)

     
    5.0

    I'm afraid I need more of these

    By Sole Prop

    from Oakland, CA

    About Me Semi-pro Photographer

    Verified Buyer

    Pros

    • Clear Optics
    • Firm Mount
    • Strong Construction

    Cons

      Best Uses

      • Color Correction
      • Filter Protection
      • Lens Protection
      • UV Protection

      Comments about B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter:

      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.

        • Similar:
        • Twenty to thirty B + W UV filters for various lenses.

        Comment on this review

         
        4.0

        Needed for CMOS cameras

        By David

        from Boston, MA

        About Me Pro Photographer

        Verified Buyer

        Pros

        • Clear Optics
        • Easy To Use
        • Firm Mount
        • Strong Construction

        Cons

        • Inconsistent Effect

        Best Uses

        • Color Correction

        Comments about B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter:

        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.

        Comment on this review

        (1 of 2 customers found this review helpful)

         
        4.0

        Red Spot

        By Timber

        from Florida

        About Me Photo Enthusiast

        Verified Buyer

        Pros

          Cons

            Best Uses

              Comments about B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter:

              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.

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              O que vem na caixa

              B+W 77mm 486 Digital UV/IR (MRC) Blocking Filter
              • Case de armazenamento em plástico
              • 10 anos de garantia (Apenas nos EUA)
               
               
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