B+W 49mm UV Black (403) Filter

B+W 49mm UV Black (403) Filter

B+W 49mm UV Black (403) Filter

B&H # BW40349 MFR # 65-011393

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Product Highlights

  • Blocks Visible Light, Passes UV A
  • Used in UV Reflection Photography
  • Forensic and Fluorescence Photography
  • Rugged Black Brass Filter Ring
  • High Quality Schott Glass
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B+W 403 overview

  • 1Description

The B+W 49mm UV Black (403) Filter is a specialized filter used to block visible light while allowing UV A radiation (320-385nm) to pass through. This filter differs significantly to the more well known UV filter, which does the opposite by blocking UV radiation. The UV Black filter visibly appears completely black and is used in combination with specially sensitized films for applications such as forensic photography, material research, and fluorescence photography. Depending on the illumination and materials being used, the filter factor ranges from 8 to 20 (3 to 4.3 stops).

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.

Used for ultraviolet reflection photography in forensics or material research applications.
Can be used as a filter for a UV-emitter when working in fluorescence photography.
Depending on applications and materials being used, the filter factor ranges from 8 to 20 (3 to 4.3 stops).
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 49mm UV Black (403) Filter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    B+W 403 specs

    Type UV black
    Size 49 mm
    Grade 403
    Filter Factor 8-20 (3 to 4.3 stops)
    Effect Passes UV A radiation and blocks visible light
    Application Forensic and other specialized photography requiring specific UV filtration
    Construction Schott glass
    Front Filter Thread Size 49 mm
    Front Lens Cap Size 49 mm
    Packaging Info
    Package Weight 0.12 lb
    Box Dimensions (LxWxH) 2.6 x 2.6 x 0.9"

    B+W 403 reviews

    49mm UV Black (403) Filter is rated 3.0 out of 5 by 2.
    Rated 1 out of 5 by from You can't get a real UV with this filter You can't really get a real UV with this filter. It leaks lots of visible and IR light. The images coming with this filter have some interesting effect, which looks more like enhanced IR, than UV. I feel sorry I bought it, but I had to try.
    Date published: 2012-04-18
    Rated 5 out of 5 by from Works great on Full Spectrum cameras! I'm using it on a Sony Nex 5 Full Spectrum converted camera. It is like using a Hoya r72 filter, except you get purple skys and a black and white look on other things (white leaves, etc). I'm using it with old vintage lenses that pass more of the UV spectrum. I've yet to try an IR blocking filter with this Hoya 403 filter (to get a UV only view through the camera), as the Hoya 403 filter lets in both UV and IR (around the 720nm range). I would recommend using this filter on a camera with an EVF as manual focusing is very difficult when taking photos of flowers. I have attached some photos shot out of camera with no processing (just set the white balance in camera).
    Date published: 2016-05-30
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