At 02:26 AM 2/9/2001, Mick Kalber wrote: >Gee... guess I was all wet! I shoot video for a living and we use dichroic >filters... they make tungsten like the same temperature as daylight... 56K. >But I guess it depends on what color the dichroic is tuned to, eh? Right, it's strictly a matter of film thickness. Of course the apparent film thickness varies with the angle of incidence of the light through the filter, so you only get the precise color exactly on-axis. As you go off-axis the color tends more and more toward red. d
David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation" |
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