B+W 1057396 Fiche technique télécharger pdf (Page 4)

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

Particularly in digital photography, B+W  lters are important tools for im-

proving image quality. A B+W polarizing  lter, for example, provides more

saturated colors and high color contrasts because the bluish-gray haze

typical of sunny days is  ltered before the image sensor generates the data

record. If UV or IR radiation causes haze or blur a UV/IR blocking  lter in

front of the lens can ensure more brilliance and detail sharpness without the

necessity for coarsening re-sharpening in the image program. Filters solve

problems before they occur in the image sensor.

Image-processing programs, on the other hand, cannot conjure up information

which is not contained in the data record. Many of the most commonly used

color and contrast corrections work by removing image information (destruc-

tive image correction). Such, in some cases coarse repairs leave considerable

gaps in the data record which are not yet recognizable on the PC monitor, but

can become visible on the higher-resolution print.



B+W is celebrating its 60th anniversary in 200. Following the merger with

Jos. Schneider Optische Werke GmbH In 18, the company moved into its

current premises in Bad Kreuznach, having previously been based in Wies-

baden. Under the umbrella of Schneider-Kreuznach a lively technology trans-

fer developed. B+W has succeeded in establishing itself as one the world‘s

leading  lter manufacturers. It has, for example, made decisive progress in

surface coating. B+W is the  rst  lter manufacturer in the world to offer MRC

(multi-resistant coating). The world-famous Käsemann-type polarizing  lter

with its outstanding quality has been produced by B+W since 18. Today,

state-of-the-art production equipment, precise CNC machines and highly ad-

vanced re ection-reducing technology guarantee top quality which is amongst

the very best to be found on the world market.



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

Amplitude-controlled immersion baths – this is how graduated

 lters are made

Filter coating under strict clean room

conditions

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B+W 1057396 Fiche technique Page 4

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