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FORUMS General Gear Talk Computers 
Thread started 06 Jan 2009 (Tuesday) 19:34
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HELP! HP LP2475.. inaccurate blue's

 
MikeKS
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Jan 06, 2009 19:34 |  #1

hi all,

i recieved an HP LP2475w recently and calibrated it with spyder 2pro. i know that this isn't the most appropriated calibration device for a wide gamut screen but i would think it could get me in ball park range. i have set my brightness/contrast to 17/75 RGB to 202/183/179. Most images look great however some of them that have blue like the picture below ( in the sky) look purple-ish. Even all the links @ http://www.tftcentral.​co.uk/reviews/hp_lp247​5w.htm (external link) look purple on this screen. however when i drag the browser or image over to my 15" macbook pro screen they look blue..

Reds and greens seem to "pop" a little too much but at least they still look their color

any suggestion on something i'm doing or not doing.. do i have a faulty screen?

-Mike

IMAGE: http://mikeks.smugmug.com/photos/295426260_HpCKV-XL-3.jpg

5D | 24 1.4L II | Sigma-lux 50 1.4 | Canon 85 1.8 | 70-200 f4L | 430EX | 580EXII
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MikeKS
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Jan 06, 2009 22:56 |  #2

ok, noone responded but if anyone is curious about why my monitor is doing this i found the solution. If you have a wide gamut monitor you need to use a color managed browser such as firefox v3. i was using Safari witch doesn't color manage.

you have to enable color management in Firefox V3 by typing in the address bar "about:config" witch will then bring up a filter page. Type "gfx.color_management.​enabled" in the filter line and then double click it until you change the status to "true" then restart firefox.

http://www.gballard.ne​t …embeddedJPEGpro​files.html (external link) is a great site on web browser color management.
http://www.fredmiranda​.com/forum/topic/64567​9/999999 (external link) here is another very informative thread on the topic

It also says that safar for windows Vista is color managed. i don't understand why safari for mac wouldn't be either, unless i'm reading it wrong.

-Mike


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MaxxuM
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Jan 06, 2009 23:30 |  #3

Safari is color managed however, but it can only do so for tagged images. Firefox assumes non-tagged images are sRGB while Safari uses the default color profile. This is a known issue and the here is a link to more info on the Firefox trick.

https://photography-on-the.net/forum/showthre​ad.php?t=561719




  
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Bobster
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Jan 07, 2009 20:25 |  #4

202? thats low, my R is 251


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MikeKS
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Jan 07, 2009 20:52 as a reply to  @ Bobster's post |  #5

i forgot where i read it from but was instructed to lower all levels to something like 180 and calibrate from there. This "should" have given me a smoother calibration since your not pushing all the colors to near max.

How true this is i don't know but i'm leaving it until i get my spyder3 elite


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Bobster
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Jan 07, 2009 21:17 |  #6

yeah just looked at all ur settings and they're on the low side.. where did you read about it?


Robert Whetton (external link) Dorset Portrait & Events Photographer | Photoshop Guru
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HELP! HP LP2475.. inaccurate blue's
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