I read some stuff on the internet which suggests the the white balance &
saturation need attention & offer complex solutions involving the white
balance & saturation.
Alan C
-----Original Message-----
From: P. J. Alling
Sent: Sunday, March 05, 2017 5:05 PM
To: Pentax-Discuss Mail List
Subject: Re: HELP: Negative Copying
I just wrote a quick reply, but after zooming in on the image I detect
the yellow cast in a lot of places, but it's not uniformly distributed
throughout the image.
On 3/5/2017 9:55 AM, Bill wrote:
On 3/5/2017 7:59 AM, Alan C wrote:
I picked up a slide copying attachment for my old M42 bellows with a
view to copying all my slides & negatives. I know you guys all use Epson
scanners but they are very expensive here. I set it up with a Super Tak
55/2 which gives about 90% coverage. 65mm is needed to get 100%.
(Unfortunately I cannot use my K-mount lenses unless I replace the M42
flange with a K-mount one). Anyway, it works fine and as I would
probably crop most of them, 90% is OK. Colour rendition & sharpness are
good. Slides, no problem. However, I am getting yellow colour casts on
the sky with negatives after inversion. Using an 80B filter on the lens
or using the filters in Elements gives more or less the same result.
Shooting RAW or JPEG makes little difference but shooting RAW allows me
to batch process very easily. I used the sky for illumination. I can
easily process 50/hour. Example:
https://www.flickr.com/photos/wisselstroom/33222112546/
Any ideas on getting rid of the colour cast?
You'd make it a lot easier if a person could download the file.
If you could take one of your files and put it somewhere that it can be
shared, that would be grand.
Alan C
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