Quoting ADavidhazy temp in Seattle <andpph@xxxxxxx>: > If a ND filter has a density of .3 and thus lets > through only half of the incident light, would > all the light eventually pass through the filter? > > > :) > andy NO!... the light that dooes not pass through in the given amount of time is absorbed as energy... probably creating an extremely small increase in core temperature of the filter, Ken
