|
|
|
#27
10-09-2009, 06:08 PM
|
||||
|
||||
|
[QUOTE=jr_tech;2956684]Great write-up
 That is funny about the color, but P-4 phosphor is actually a mix of a "yellow" phosphor which peaks at about 550 nanometers and a "blue" phosphor which peaks at about 450 nanometers... it appears that the blue "ages" faster than the yellow under years of electron bombardment.... I was going to ask about that. I've seen some screenshots of vintage sets here on the site & it seemed to me that many had a "sepia" coloration on the CRT. Didn't know if that was really the case(most late '50s & up B&W sets look "blue-ish" to me in screen captures). I thought maybe it was a setting on the digital camera used for the shot, but was never sure. Actually, I think the "sepia" effect looks better than the "blue-ish" one usually seen. Just curious about that, never gave a thought about the original phosphor colors of early CRTs,
__________________
"Take time to deliberate. But when the moment for action arrives, stop thinking and go in!"-Andrew Jackson 
|
|
|
Threaded Mode