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Message

Re: [colorvision_group] White Nose Cones

2006-03-14 by MGochnauer

This modification suggests something that has concerned me, but which  
I have not carefully tested:

How sensitive is the reader to ambient light falling on the target?  
The instructions say nothing, one way or the other.

Just to be safe, I have shielded the target from direct lighting (eg  
my gooseneck work-desk lamp) when taking readings. Reasonable levels  
of direct lighting did not seem to make a difference when I looked at  
some of the numbers, but I have not had time to test all of the  
target squares for possible variation.

Myron


On Mar 13, 2006, at 9:43 PM, davedoughman wrote:

> With all the discussion on making the nose cones something other than
> black I went to my garage, found a can of latex white paint and a
> small brush.
>
> My white nose cone does make reading targets very easy! Cost, too
> small to calculate.
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