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Re: "New" Red Button
- From: P3D Dr. George A. Themelis <fj834@xxxxxxxxxxxxxxxxxxxxx>
- Subject: Re: "New" Red Button
- Date: Wed, 30 Oct 1996 15:09:40 -0500 (EST)
Tom, congratulations on your new red button viewer! I hear that Dr. T is
distributing those via lottery since the demand is much higher than the
supply. So, you were lucky for the second time! ;)
>I also have a Kodaslide II which has been T-ized. I spent yesterday evening
>comparing the two. To be truthful, I can not discern any difference
>optically between them. Perhaps if someone could point out some things to
>look for, maybe I could tell.
If you look at a straight dark object like a pole or tree off center and
with uniform background you should be able to see a blue/orange-colored
edge which is an indication of chromatic aberration in the KII viewer. You
can also see that when looking at a bare mask with strong viewer light.
That's all there is to it. It is there, but not many people see it. The
KII has large lenses and for many people it is more convenient to use,
especially with glasses on.
It is easy to get used to the warm AC light and prefer it to the "cold"
blue halogen light. But we should not be using the viewer to adjust to our
color preferences. If certain scenes look good in warm light then warming
filters are in order. Also, the light from the halogen bulb is not blue by
any means. It is still plenty warm, much warmer than fluorescent (spell-
checked OK ;)) or daylight, as a simple comparison will convince you. It
is just that the AC bulb light is so darn warm! But if you are not
comparing the two viewers directly then each one will appear white on its
own under bright light.
George Themelis
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