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B+W 55mm Slim UV Black (403) Filter

BH #BW403S55 • MFR #65-098697
B+W
B+W 55mm Slim UV Black (403) Filter
Key Features
  • Standard F-Pro Mount
  • Used in UV Reflection Photography
  • Used in Forensic Applications
  • High Quality Schott Glass
B&W 55mm Slim UV Black (403) Filter - This filter should not be confused with a traditional "UV" filter. This specialized filter is opaque to the eye and passes UV A radiation from 320-385nm. It also blocks all visible light. When used with the appropriately sensitized  film, it is especially effective when used in forensics or in certain flourescent photography. 

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 excellent Schott Glass used in the manufacturing of this filter is legendary and synonymous with the highest standards of filter production. It comes with a solid 10-year warranty.

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B+W 403 Overview

B&W 55mm Slim UV Black (403) Filter - This filter should not be confused with a traditional "UV" filter. This specialized filter is opaque to the eye and passes UV A radiation from 320-385nm. It also blocks all visible light. When used with the appropriately sensitized  film, it is especially effective when used in forensics or in certain flourescent photography. 

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 excellent Schott Glass used in the manufacturing of this filter is legendary and synonymous with the highest standards of filter production. It comes with a solid 10-year warranty.

This filter uses a slim line mount. Slim filters are only 3mm thick and are specifically designed for use with lenses as wide as 17mm in the 35mm format. In order to help eliminate vignetting (darkening of the corners), they do not have a front thread. It comes supplied with a slip on lens cap.

Used with appropriately sensitized films in such applications as ultraviolet reflection photography in forensics or in materials research, but also as filters on UV-emitters for fluorescence photography
Depending on the illumination and on the film's sensitivity, it's filter factor is in the range of 8-20

B+W 403 Specs

TypeUV Black
Size55mm Slim
Grade403
Filter Factor8-20 depending on film sensitivity
Multi-CoatedNo
RotatingNo
EffectPasses UV A radiation and blocks visible light
ApplicationForensic and other specialized photography requiring specific UV filtration
Color TemperatureNot Applicable
ConstructionSchott Glass

B+W 403 Reviews

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