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Photo Forum / Digital Photography / Digital Photo / May 2007

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Pentax K10D - Color Changes During Editing

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RonB - 30 May 2007 04:33 GMT
I have a brand new K10D and just finished my first few days of playing.
Weather has not been kind, with several days of rain and gloomy weather.
When I downloaded the first batch I decided to edit a few, primarily to crop
or adjust brightness a bit.

I used Microsoft Office Picture Manager - granted not the editor of choice
for many. It was what I have; and it has always worked with smaller 2-3MP
images from our Fuji point & shoot. During the save part of the process,
edited pictures exhibited a significant color change, especially in the reds
and some skin tones. Many red features in the images changed from natural to
a very bright, artificial appearance. There was no color change during the
actual on-screen editing. It occurred in the final moment as the "save"
dialogue bar completed its scan.

I searched the manual and this forum for descriptions of similar problems
with no results. Am I doing something wrong? Camera settings need to be
reset? Buy real editing software?

Need Help
RonB
Charles Gillen - 30 May 2007 04:43 GMT
> I used Microsoft Office Picture Manager - . During the save part
> of the process, edited pictures exhibited a significant color change

If the pix looked OK BEFORE you saved them, don't blame the camera... get
better software.  Try freeware such as Irfanview.
RonB - 31 May 2007 01:48 GMT
>> I used Microsoft Office Picture Manager - . During the save part
>> of the process, edited pictures exhibited a significant color change
>
> If the pix looked OK BEFORE you saved them, don't blame the camera... get
> better software.  Try freeware such as Irfanview.

And many thanks.  I suspected the MS software from the get-go but I was a
little surprised at the amount of change I was seeing in some pictures; none
in others.  I downloaded Irfanview last night and repeated some of the
changes that caused problems and results look pretty good so far.  I also
received similar advice from the dpreview forums.

Thanks for the good leads.
Ron
Paul Mitchum - 30 May 2007 05:44 GMT
> I have a brand new K10D and just finished my first few days of playing.
> Weather has not been kind, with several days of rain and gloomy weather.
[quoted text clipped - 13 lines]
> with no results. Am I doing something wrong? Camera settings need to be
> reset? Buy real editing software?

The problem is very likely color management. Or maybe you're saving as
GIF or something.

Real editing software sounds like a good idea. :-)

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Roy G - 30 May 2007 10:33 GMT
>I have a brand new K10D and just finished my first few days of playing.
> Weather has not been kind, with several days of rain and gloomy weather.
[quoted text clipped - 19 lines]
> Need Help
> RonB

Your 10D is a very competant camera, with a full set of controls and
setttings.   If you have it set for the Adobe RGB Colour Space, and then
view the image in a non colour managed program, it will show the reds as
subdued.

When saving, that program will then apply sRGB Colour Space, without
converting any of the colour numbers, and your reds will become
oversaturated.

Meantime set your Camera to sRGB Colour Space, which is Ok for on-screen
viewing, but not so good if you intend to print for yourself.

For Inkjet Printing, you will need to get a Colour Management capable
Editor, such as Photoshop Elements, and learn about C.M.

Roy G
 
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