WebUsually, the lamp housing contains an infrared or heat filter to protect the fluorescence filters from heat deterioration. Some illuminators may incorporate or accept a red suppression filter (designated BG38) to eliminate reddening of the viewfield background associated with some filter combinations.Also, the illuminator may accept a neutral … WebBasically there are three categories of filters to be sorted out: exciter filters, barrier filters and dichromatic beamsplitters (dichroic mirrors) that are usually combined to produce a …
Five Color Filters to Use on Black & White Photography - BeArt …
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Colored filters for B&W photography
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