Re: color correcting viewers

[T3D Bob Aldridge <bob.aldridge@xxxxxx>]

Ted Gosfield wrote:

->A long time ago i suggested to George that it might be an interesting
->addition to his modifications to take a good color temp meter and
->check his halogen bulbs as installed, then insert a Wratten gel pack
->to correct the light back to 5000 K or so. I'm sure he had better
->things to do than implement this, but i am wondering if anyone else
->has done it.

So I tried it with my Gossen Sixticolor meter. Unfortunately, I find the
results rather untrustworthy! The meter was simply pointed at the light
source in my two halogenised viewers. The 6 volt one, running off 5
Nicad batteries gave 6200 deg K. The 3 volt one, running off two Nicads
gave 8000 deg K! Obviously, this meter is unsuitable, or my method of
reading is wrong...

Subjectively, both viewers give a nice white light, but the 6 volt looks
brighter, but both are yellow.

Oh well, back to the drawing board!

Bob Aldridge     Stereoscopic Society Projectionist


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