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Technical Details for B+W 093 (87C), 72 mm


Technical Details for B+W 093 (87C), 72 mm Camera Lenses
B+W 093 (87C), 72 mm 
Description: Model ID 65-072517 / B+W 093 (87C) - Filter - infrared - black - 72 mm / This B+W Infrared Filter blocks the entire visible spectrum, so to our eyes it looks completely opaque. Unlike the infrared filter described above, it makes pure infrared photographs possible without the ... more
B+W 093 (87C), 72 mm ... visible red component. Its transmission only begins to exceed 1% at 800 nm, rising to 88% at 900 nm, and remains that high far beyond the upper limit of sensitization covered by infrared films. This filter is used less frequently in pictorial photography because of the dramatic loss of effective ISO. But in the scientific field, materials research and forensics, the limitation to a strictly infrared range is often important. The filter factor is very dependent on the illumination and on the characteristics of the film.

Technical Details for B+W 093 (87C), 72 mm

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General
Product TypeFilter
Form FactorRound
Filter Diameter72 mm
Filter
Intended forCamera / infrared film
Filter EffectsInfrared
Filter colourBlack
 
B+W 093 (87C), 72 mm