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Invisible wrote:
> gregjohn wrote:
>> I was playing around with some red-cyan anaglyphs and my son pointed
>> out that
>> the "red" portion of the screen wasn't perfectly blocked by the "red"
>> lens. Is
>> there a technological limitation here (see thread about "yellow"
>> lens), or is
>> there just a more perfect rgb value I might be able to find?
>
> Uh, no, the *cyan* lense is supposed to block red. The *red* lense is
> supposed to let it through. It shouldn't be blocking it at all.
It should make it not visible at all which I think is what Greg meant.
Through the red lens, light coming from the cyan parts is filtered out,
therefore the cyan parts are visible in black. Light coming from the
red parts and light coming from the white parts should in theory end up
at exactly the same color, thus you can't distinguish the red parts when
you look through the red lens.
Maybe the red used on the screen is a bit too dark, which makes the red
areas appear as slight shadows. Using light gray instead of white for
the background might solve the issue...
--
Vincent
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