Tungsten Film

Tungsten film photographic is designed to accurately represent colors as perceived by humans under tungsten light; the more usual color films are "daylight films", balanced to produce accurate colors under direct light from the sun or electronic flash. Tungsten film was developed for photographers who use tungsten lights, also known as photofloods, which have a much lower color temperature than daylight, at 3200 Kelvin. It also renders colors more accurately than daylight film under ordinary household incandescent lighting "day for night" effect, whereby film shot during the daytime looks as if it had been shot at night.

Tungsten film is designed to provide accurate exposure as well as color rendition even when exposed according to exposure meter readings indicating a long exposure; tungsten film can be used to avoid reciprocity failure which often occurs when using long exposures. Common film speeds for tungsten-balanced slide film are ISO 64, 160, and 320.


Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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