[AZ-Observing] Re: Laptop Screens

Thanks Matt,

I'll actually have to consider that too since it can be configured exactly to 
each individuals needs.  Also thanks for the link on the RGB control software - 
I had recently read something about that but there was no link.  My computer is 
less than a year-old so it should work on it.

-Kerry




-----Original Message-----
From: Matt Luttinen <mluttinen@xxxxxxxxx>
Sent: Aug 25, 2004 3:50 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: Laptop Screens

I made a frame out of cardboard and use theatrical gel sheet to dim my
display. The advantage is that you can "tune" the attenuation with =
layers of
gel and even use different shades to control the total effect. The main
disadvantage is that the gel sheets are not optically "perfect" and =
scratch
more easily than plastic. However, under low light, the minor defects in =
the
gel are unnoticeable.

I am still working on a satisfactory configuration--the display is =
either
too dark, or too bright. Also, I have found that different Astro =
programs
require diffent gel sets to be optimally visible. Finding the "just =
bright
enough" point has been elusive.

Any good photo supply store (Photomark, etc) will stock gel sheet. I use =
a
combination of a medium red and a reddish purple. One layer of the
red/purple sandwiched between layers of medium red really knocks the
brightness down.

There is also a piece of freeware called DarkAdapted that allows for =
global
RGB control of the LCD (or CRT) screen output. Get it at:

http://www.adpartnership.net/DarkAdapted/index.html

It doesn't work right on my vintage 1999 laptop, but should function =
fine on
newer machines.

Matt

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