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The B&W 486 is a completely colourless multicoated filter which blocks unwanted UV and IR radiation by means of interference rather than absorption. Standard F-Pro 4mm deep mount.
The different layers of the 486 filter interfere with the transmission of unwanted UV and IR radiation, causing a steep fall off either side of the visible spectrum.
It is used mainly on digital still and video cameras without an integrated IR protection filter. The absence of this can cause loss of sharpness and colour shifts when used with lenses which just corrected for use with visible light.
The filter is completely clear and requires no exposure correction.
MRC Multi Resistant Coating
Each side of the filter has 7 anti-reflection coatings plus a protective layer which ensure maximum reflection and stray light reduction (residual reflection of just 0.5%). This ensures brilliant colours and high contrast, and the elimination of ghost images caused by back reflection from the camera sensor.
Precision engineered mount
The 4mm deep brass F-Pro mount is made on a CNC milling machine. The filter glass is held securely but without tension by a threaded retaining ring. Black hard-chrome plating with a matt black inside surface and engraved markings ensure long service.