Re: Blue Displays and Visual Acuity [END of Thread]

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Re: Blue Displays and Visual Acuity [END of Thread]

Eric Swartz - WA6HHQ
Administrator
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" <[hidden email]>
Date: Wednesday, Jun 17, 2009 12:52 pm
Subject: Re: [Elecraft] Blue Displays and Visual Acuity
To: <[hidden email]>

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" <[hidden email]>
To: <[hidden email]>
Cc: <[hidden email]>
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, [hidden email] 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

> ______________________________________________________________
 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:[hidden email]

> This list hosted by: http://www.qsl.net
 Please help support this email list: http://www.qsl.net/donate.html
 


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Re: Blue Displays and Visual Acuity [END of Thread]

Steve Ellington
How's display color off topic?
Steve Ellington
[hidden email]
----- Original Message -----
From: "Eric Swartz - WA6HHQ, Elecraft" <[hidden email]>
To: <[hidden email]>
Cc: <[hidden email]>
Sent: Thursday, June 18, 2009 1:40 AM
Subject: Re: [Elecraft] Blue Displays and Visual Acuity [END of Thread]


> 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" <[hidden email]>
> Date: Wednesday, Jun 17, 2009 12:52 pm
> Subject: Re: [Elecraft] Blue Displays and Visual Acuity
> To: <[hidden email]>
>
> 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" <[hidden email]>
> To: <[hidden email]>
> Cc: <[hidden email]>
> 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, [hidden email] 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
>
>> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
>> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html 

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html