Started by texshooter, July 07, 2013, 03:37:22 am
Quote from: Bullfrog on July 18, 2013, 03:13:28 pmYes, ok, here we go (sorry) . The MacBeth accuracy test is still a mystery to me - but (accepting I'm opening myself up to a ton of ridicule) - the point I have been stuck on is: - if the image you print is different than the image on your screen - HOW do you know if its the screen or the printer.
QuoteThe colours on the screen within CS5 (I used the internet sRGB workspace) were not 100% match for the colours on the print. Some (memory here but I still have the print out) were significant - in other words blue instead of green. Some were tonal variations (lighter or darker hues of the same colour).
QuoteNow on Passport - I see. I confess, I just am blank because as you stated, its a pre-requisite to creating a DNG profile - and I'm not there yet. It is I think therefore important for me to start with learning how to create a DNG profile and until I do that I cannot appreciate the value of this tool.
Quote from: digitaldog on July 18, 2013, 03:18:53 pm If you output the Macbeth such it matches the original, that's a good sign and the mismatch is then likely to be display calibration (or the preview portion of the ICC print profile).
Quote from: digitaldog on July 18, 2013, 02:58:19 pmand you're working on a profile on top of this.
Quote from: Vladimirovich on July 18, 2013, 03:59:18 pmbut with Adobe PE we are always working on top of some base profile
Quote from: Bullfrog on July 18, 2013, 03:13:28 pm...As a disclaimer - when I print an image and compare it on screen - its visually very very close using the canon profiles and using the sRGB colour space and very very close to the DPP raw image which I believe (right or wrong) is the most accurate version viewed within the DPP software itself (not PS). As you may recall I asked you about using colour space on my camera and your suggestion was to stay with sRGB - so my raw shots are taken with that.I realize sRGB has a more limited gamut and wondered about switching to Adobe - but since you are an expert - and I'm not - I went with what you said. One nagging thing is - landscapes. I wonder if I'm clipping my colour range by shooting in sRGB but again, I'm not drawing from a deep well of technical knowledge -so when you said go sRGB (it won't matter ) I accepted it. ...
Quote from: Peterretep on July 23, 2013, 06:01:31 pmTexshooter, my main specialization is architectural and interior design photography. In using both DPP and ACR I've found DPP out performs ACR hands down in regard to interiors. However it has been a couple of years since I've worked with ACR so to be fair I should look into it again. Exteriors from ACR generally look a bit better, especially skies. One thing that bothers me about ACR is on the pixel peeping level . Files from DPP look crisp at close inspection whereas ACR's have more of a not crisp smushed (how's that for tech talk?) look. So yes, I"m a very happy DPP user.
Quote from: texshooter on July 23, 2013, 09:35:45 pmACR does look a bit more "mushy." i'm going to build a custom camera profile, so hopefully that fixes it.
Quote from: elied on July 26, 2013, 06:53:31 pmIs there a connection between the camera profile and image sharpness?
Quote from: xpatUSA on July 26, 2013, 07:14:51 pmI can report that changing the camera profile does not change <... removed...> the settings under the first tab don't change either, not even the white balance.
Quote from: Vladimirovich on July 26, 2013, 11:59:43 pmhttp://forums.adobe.com/message/2936925
Quote from: MeAccording to my copy of ACR (V5.4 running with Adobe PSE6) there is not a connection.
Quote from: Vladimirovich on July 27, 2013, 12:11:08 pmare you sure your .dcp profiles are different matrix wise ?
Quote from: xpatUSA on July 27, 2013, 01:34:09 pmThe profiles came with ACR 5.4. They're not mine.
Quote from: xpatUSA on July 27, 2013, 01:34:09 pmHow does someone check matrices in a .dcp file?
Quote from: Vladimirovich on July 27, 2013, 02:09:14 pmOK - are you sure that those 2 profiles are different matrix-wise (the matrices used for WB'ing in ACR) ?
Quote[to check matrices], dump the content using dcptool from SandyMc into xml ... then it is human readable.
Quote from: madmanchan on July 29, 2013, 11:59:54 amNo, there is not. The choice of profile in the Profile popup in the Camera Calibration panel affects color (and possibly tone) only.
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