[Leica] Digital: colour rendition and image quality

[philippe.orlent at pandora.be (Philippe Orlent)]

Why not put a colorcard next to your dad's paintings when shooting. This way
you'll have a reference, no matter what media you're using.


> From: Peter Dzwig <pdzwig@summaventures.com>
> Organization: Summa Ventures Ltd
> Reply-To: Leica Users Group <lug@leica-users.org>
> Date: Fri, 06 May 2005 23:34:14 +0100
> To: <LUG@leica-users.org>, <DLUG@leica-users.org>
> Subject: [Leica] Digital: colour rendition and image quality
> 
> Dear All,
> 
> I have just spent a few days photographing and recording some of my late
> father's paintings before they were sent on semi-permanent loan to the
> University of Torun in Poland.
> 
> I decided for fairly obvious reasons to use my D-1 to take digital images 
> of
> the 
>   70-odd paintings which have been shipped. I was horrified at the 
> variation
> in 
> colour between the painting itself, what I saw on the screen and what I
> actually 
> got on the SD card. Of course I am aware that my eye and the camera don't 
> have
> the same response characteristics; but interestingly I could do little to 
> get
> the camera to come close...
> 
> Is this my D-1, is it common or is there some reasonable explanation?
> 
> Further, my father painted largely abstract works (you might describe him 
> as
> an 
> abstract expressionist, but it's not particularly accurate). On those where
> the 
> boundaries between areas of colour were not distinct the camera appeared to
> have 
> difficulty in producing a sharp image. The opposite being true where there
> were 
> strong boundaries. I am coming to the conclusion that the 
> image-reconstruction
> algorithms taking the output from the chip and building the resultant 
> image in
> memory must have been fooled. Any thoughts??
> 
> FWIW, conditions were flat daylight, no auxiliary lighting.
> 
> Thanks for any thoughts - as I have a lot more still to do I would like to
> know 
> if anyone can suggest correction techniques.
> 
> Although this is a fairly stringent test - and an unusual one - when all is
> said 
> and done the D-1 is a Leica and should have done better.
> 
> Peter Dzwig
> 
>  
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