by SFA » Mon Oct 22, 2012 10:49 am
Something a little odd ...
Wondering what possible options there might be to get around this problem (being a little familiar with ways to do things in an old now defunct package) I downloaded a 650D sample RAW file and tried a few things.
One well known, free for personal use, converter/editor seemed to be quite happy to open the file although I suspect it initially just presents the embedded jpg. However it was happy to let me play around, double the file dimensions, make edits and save a large TIFF version some 10 times bigger in file size than the RAW original - which is about right.
Now, this is not the latest verison of the program - in fact it's several years old. (I have just downloaded but not yet tried the latest version but it has a 2011 date so unlikley to be adjhusted for 2012 released cameras.) So I was surprised that it worked. From a quick assessment the output looks OK but that is not a definitive observation on a notebook screen!
The real puzzle though is that noa I have performed that activity and have the TIFF file the program shows the thumbnail for both versions of the image as a fully coloured file but the Preview size display of the RAW file has the magenta tint (so widely reported for applications that read the files but don't actually support them) and so does any attempt to open and edit it. I'm struggling to come up with a rational explanation for this.
Other things to do today so my experiments will have to wait. If anyone has any ideas about why this can happen I'm interested to hear them. I may well have missed something simple.
Grant