Thanks Chuck, that's helpful. I'll try a different viewer and I will also
download the images to a different PC to see if it repeats itself.
Charlie
On Mon, Sep 15, 2008 at 8:54 PM, <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> I believe that many cameras (if not all) do generate a thumbnail which is
> embedded in the main image. The Minolta A1, for example, stores a small
> thumbnail for preview on the camera if only raw files are being saved. My
> Canon 5D stores a roughly 4 MP JPEG image with raw files even if you don't
> ask it to save JPEGs as well. Every camera is different.
>
> Based on the scenario you outlined it sounds as though there must be a bug
> in the camera firmware or the viewing software you're using (if the viewing
> software had recently displayed the older image in the same session). I'd
> try viewing the files on the computer again using a different viewer. If
> the old thumbnail doesn't show up any more or if the other viewing software
> doesn't show it any more then it was probably a memory cache bug in your
> existing viewing software. Otherwise a bug in the camera firmware possibly
> exacerbated by image deletion in camera. Remember my admonitions the other
> day not to delete in camera?
>
> Chuck Norcutt
>
>
> > -------Original Message-------
> > From: Charles Geilfuss <charles.geilfuss@xxxxxxxxx>
> > Subject: [OM] Spooky Camera Behavior
> > Sent: Sep 15 '08 20:43
> >
> > A while back I mentioned that I've been doing some infrared
> photography
> > with an old Olympus C-700 UZ. I took a few images yesterday of Fort
> Moultrie
> > on Sullivan's Island. The spooky behavior occured after I downloaded the
> > images to my PC. No I didn't see IR ghosts but I did notice one
> thumbnail
> > image in the folder was of an image I had deleted from the SM card about
> a
> > month ago. Much to my surprise when I double clicked the image to open
> it,
> > it was one of the IR scenics I had taken yesterday and not the full
> color
> > image of a bumble bee I took and deleted a month ago. I rechecked the
> camera
> > card by viewing the images through the camera and the bee image is
> nowhere
> > to be seen. What gives? I would have thought the thumbnails displayed by
> the
> > PC are generated from the actual photo file on the hard drive. Am I
> > mistaken? Is the thumbnail generated by the camera in a hidden process
> of
> > which I am unaware?
> >
> > Charlie
> >
> >
> > ==============================================
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> > List nannies: olympusadmin@xxxxxxxxxx
> > ==============================================
> >
>
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