26 Feb
2010
26 Feb
'10
6:07 p.m.
Tony Duell wrote:
I use an array of white LEDs behind a polarizing filter in combination
with a second polarizer on my lens to minimize reflections from glossy
surfaces.
Peace... Sridhar
I was using
them in a ring light for a downhole well camera. Not that expe=
nsive=2C about $6 each.
Has anyone ever tried them for flim photograhpy? THe data sheets I looked
at showed a fairly continuous output spectrrum (unlike the pure colour
LEDs, of course), which could presumably be filtered into something that
looked like daylight to colour film.