Archived posting to the Leica Users Group, 2006/11/14

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Subject: eyeball calibration (was: RE: PS Re: [Leica] DMR DNGprofile hell !)
From: hoppyman at bigpond.net.au (G Hopkinson)
Date: Tue Nov 14 16:35:45 2006

Yep, understood. I was just talking about soft proofing for speed and 
convenience. It is an area where there seems to be a lot of
interest on the LUG, so I thought I would table one suggestion. I know 
Doug's results are superb. That lab he uses looks fantastic,
too. The benefits of a big population base. My own local ones are much more 
modest.
Cheers
Hoppy 

-----Original Message-----
From: lug-bounces+hoppyman=bigpond.net.au@leica-users.org 
[mailto:lug-bounces+hoppyman=bigpond.net.au@leica-users.org] On Behalf Of
Richard
Sent: Wednesday, 15 November 2006 10:21
To: Leica Users Group; 'Leica Users Group'
Subject: RE: eyeball calibration (was: RE: PS Re: [Leica] DMR DNGprofile 
hell !)

Nah, nothing wrong with Doug's approach. Yours is the sanctioned by "How to 
Do it the Color Managed Ways" committee. Doug uses the "I know exactly the 
single output device (printer, ink and paper) I want and as long as my 
monitor matches that, everything is fine" method. The latter is just fine 
as long as you stay with a single output chain (of printer, ink and paper)

At 04:03 PM 11/14/2006, G Hopkinson wrote:
>Well Doug, we all know that your end results in print are superb. This 
>sounds like a lot of work to get to that point. If you are
>using one lab that is printing digitally (and of course they almost all 
>are) they could provide you with a profile for their setup.
>Assuming you had a calibrated monitor and colour management in place, you 
>could install their profile to use for soft proofing. Then
>you should see on your calibrated screen what their output should look 
>like (within the limitations of the different devices). For
>example I have a lab offering Fuji output from a prepared digital file 
>which is extremely cheap. They have set up info available.
>They suggest conversion to sRGB (closest to the gamut of their machines) 
>and they provide a profile. If you found that with this set
>up, there was a further adjustment, it ought to be consistent and you 
>could routinely apply that correction. Really though, this
>methods should get you very close.
>Drop me a line if I'm not making sense.
>Cheers
>Hoppy
>
>-----Original Message-----
>From: lug-bounces+hoppyman=bigpond.net.au@leica-users.org 
>[mailto:lug-bounces+hoppyman=bigpond.net.au@leica-users.org] On Behalf Of
>telyt@earthlink.net
>Sent: Wednesday, 15 November 2006 09:49
>To: lug@leica-users.org
>Subject: eyeball calibration (was: RE: PS Re: [Leica] DMR DNG profile hell 
>!)
>
>G Hopkinson <hoppyman@bigpond.net.au> wrote:
>
> > What were the problems for you, Doug and Brian, that
> > caused you to abandon the Spyders?
>
>After calibrating the monitor with the Spyder, prints from a known
>calibrated printer (the LightJet used by West Coast Imaging, which I
>believe was Calypso's LightJet) were much too dark and contrasty.
>
>My procedure now is to do a rough calibration using only Adobe Gamma,
>adjust the file in Photoshop the way I want it, then send the file to a lab
>with a calibrated printer.  Once I get the print back I open the file in
>Photoshop, open Adobe Gamma at the same time, then adjust the monitor's
>calibration (with Adobe Gamma) to make the PS image of the file look like
>the print.  Assuming the initial calibration isn't quite right, I can then
>tweak the photo the way I want it with Photoshop.
>
>Doug Herr
>Birdman of Sacramento
>http://www.wildlightphoto.com
>
>
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// richard (This email is for mailing lists. To reach me directly, please 
use richard at imagecraft.com) 


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In reply to: Message from richard-lists at imagecraft.com (Richard) (eyeball calibration (was: RE: PS Re: [Leica] DMR DNG profile hell !))