[Elecraft] Blue Displays and Visual Acuity [END of Thread]

[Eric Swartz - WA6HHQ, Elecraft]

We're drifting pretty far OT. Let' s end this thread for now.

73,

Eric  WA6HHQ
Elecraft list moderator
_..._
-----Original Message-----
From: "Jim Miller KG0KP" <JimMiller at STL-OnLine.Net>
Date: Wednesday, Jun 17, 2009 12:52 pm
Subject: Re: [Elecraft] Blue Displays and Visual Acuity
To: <Elecraft at mailman.qth.net>

Anybody remember the first CRT computer terminals?  They used GREEN 
characters.  Later amber was prettier, but the green ones were first, maybe 
for a reason.

73, de Jim KG0KP

----- Original Message ----- 
From: "Brendan Minish" <ei6iz.brendan at gmail.com>
To: <gdaught6 at stanford.edu>
Cc: <Elecraft at mailman.qth.net>
Sent: Wednesday, June 17, 2009 2:39 PM
Subject: Re: [Elecraft] Blue Displays and Visual Acuity


> On Wed, 2009-06-17 at 12:24 -0700, gdaught6 at stanford.edu wrote:
> Alan wrote...
> If I recall correctly, the human eye is most sensitive in the 
> yellow-green part of the
> spectrum... 565 nanometers is the peak, but that doesn't necessarily mean 
> "greatest
> visual acuity" I guess.

> As someone with short sight I find that yellow - green is much clearer
 and sharper at a distance than blue or red.

> This makes some sense since the refractive index of my glasses (&
 Eyeballs) as well as the sensitivity to light is based on the middle of
 the the visual spectrum

> If you want Blue because it looks pretty, then go for it but it's not
 'better'.

> 73
 Brendan EI6IZ

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