[filmscanners] Re: Are there multiple versions of SRGB?

2003-09-17 Thread Bob Frost
Joel, There may only be one official version - called sRGB IEC61966-2.1 - but even Apple have tweaked it and produced their own version:- The only difference between sRGB IEC61966-2.1 and the sRGB Profile Apple ships is at the low end of the gamma curve. The standard specifies a linear response

[filmscanners] Re: Are there multiple versions of SRGB?

2003-09-17 Thread Ellis Vener
On Tuesday, September 16, 2003, at 10:10 PM, LAURIE SOLOMON wrote: To the best of my knowledge, there is only one version of sRGB. As I pointed out in a posting yesterday, the different manufacturers implement colorspace s slightly differently than the standard. For example: Fuji says that the

[filmscanners] RE: Are there multiple versions of SRGB?

2003-09-17 Thread LAURIE SOLOMON
- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ellis Vener Sent: Wednesday, September 17, 2003 8:02 AM To: [EMAIL PROTECTED] Subject: [filmscanners] Re: Are there multiple versions of SRGB? On Tuesday, September 16, 2003, at 10:10 PM, LAURIE SOLOMON wrote: To the best of my

[filmscanners] Re: Are there multiple versions of SRGB?

2003-09-17 Thread Austin Smith
I believe that the Nikon RAW format is called NEF. Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body

[filmscanners] RE: Are there multiple versions of SRGB?

2003-09-17 Thread LAURIE SOLOMON
Bingo, you got it. Thanks! Foir the life of me, I could not remember it. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Austin Smith Sent: Wednesday, September 17, 2003 1:09 PM To: [EMAIL PROTECTED] Subject: [filmscanners] Re: Are there multiple versions

[filmscanners] RE: Are there multiple versions of SRGB?

2003-09-16 Thread
Nagaraj, Ramesh wrote . . . I was reading the spec of Nikon D2H at http://www.dpreview.com/articles/nikond2h/page2.asp It says Color space * I: sRGB (Portraits Natural Skin Tones) * II: Adobe RGB (Wide Gamut) * III: sRGB (Landscapes and Flora Are there

[filmscanners] Re: Are there multiple versions of SRGB?

2003-09-16 Thread Ellis Vener
sRGB may have a strict technical definition but different companies apply it differently. Bruce Fraser Andrew Rodney in particular have pointed out that what Nikon, Fuji and Canon (to point out three big examples) call sRGB or Adobe RGB in their cameras isn't quite exactly a pure

[filmscanners] RE: Are there multiple versions of SRGB?

2003-09-16 Thread LAURIE SOLOMON
To the best of my knowledge, there is only one version of sRGB. From what you have written, I would assume that Nikon is using the same sRGB but the difference between I III has to do with other factors such as the default setting of white and black points and tonal curves of the color space to