help with camera profiling
help with camera profiling
- Subject: help with camera profiling
- From: Peter Miles <email@hidden>
- Date: Thu, 31 Oct 2002 17:48:48 +1300
- Organization: Massey University
Hi there List Members
I am hoping you can help me.
I am working with a photographer, he is shooting on black and white film and I am scanning his negatives and printing them on black and white inkjet for
exhibition.
I am experimenting with creating a 'film camera profile' in my digital workflow for my photographer friend's camera and film combination.
My intention is to get scans with a more linear compression of tones relative to the original scene he was shooting. (i.e. minus the tone compression of the
film characteristic curve's toe and shoulder , and the non linear bits in-between)
I have been working with a number of ways to do this. One idea I am looking at pursuing is to use my film scanner as a 'virtual' digital camera and to create
an ICC digital camera profile for the camera/film/scanner combination using a shot taken of a Macbeth color chart using my friends camera and film.
I am no ICC color management boffin, so would appreciate this lists help.
- Is this a technically sound approach?
- Is this an approach one I would want to use, given what I want to achieve?
- Would I need a grayscale ICC digital camera profile? (do they exist?)
Question 2 - digital camera targets?
Some pictorial black and white films can record a10-14 stop exposure range. This correspond to a scene brightness range of about 1:1000 to about 1:16,000. I
would not normally expect a reflection camera target (e.g. Macbeth color chart) to cover this wide a brightness range.
- Are there alternative ICC digital camera profiling targets, methods or 'work-arounds' that would help solve profiling camera/film combinations that can
capture these sort of scene brightness ranges?
(P.S I am using ColorSynergy4.5 for the profiling the B/W inkJet.)
Thanks for your time and help.
Kind regards
Peter
_________
Peter Miles
Photography Technician
College of Design Fine Art & Music
Massey University
Wellington
New Zealand
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