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12-10-2007, 03:18 AM   #1
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Join Date: Dec 2006
Location: Neterlands
Posts: 189
Help needed..

I have a dispute with Pentax Benelux about a dust particle that settled between the filter and the sensor. Pentax claims that this can only happen by using compressed air, while I know I never used compressed air in my camera.
My camera is presently with Pentax, so I can't do the following test myself.

What I like to know is if the EXIF shuttercounter increases for sensorcleaning.
If someone could do the following simple test, I would be gratefull.

Using a K100D (non Super):
- take a jpeg image
- do one (preferably 2 or 3) sensorcleanings according to the manual
(just select the sensorcleaning in the menu, no need to remove the lens or open the camera)
- take another jpeg image.

Using PhotoMe open the two images and note the values for Shuttercounter.

If they are consecutive I'm out of luck, otherwise I'll have another argument in my discussion.

TIA

12-10-2007, 03:30 AM   #2
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Join Date: Sep 2006
Location: Brisbane, Australia
Posts: 357
Just did a quick test for you. Just without that program you linked to.

Took a photo, file number was at 9449. Did the sensor clean thing from the menu. Took another photo, file number was 9450.

Has the bit of dust always been there since you got the camera?

Good luck getting it sorted out with them
12-10-2007, 04:34 AM   #3
baw
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Join Date: Dec 2006
Location: Neterlands
Posts: 189
Original Poster
QuoteOriginally posted by -spam- Quote
Just did a quick test for you. Just without that program you linked to.

Took a photo, file number was at 9449. Did the sensor clean thing from the menu. Took another photo, file number was 9450.
Thanks, but filenumbers don't say much. With sensorcleaning there is no file written to disk. Hence the filecounter isn't increased.
What I hope and expect is that sensorcleaning increases the shuttercounter.
You can check this in the EXIF data with a program like PhotoMe or ExifTool.

QuoteOriginally posted by -spam- Quote
Has the bit of dust always been there since you got the camera?
No. On a 3 day stopover in Capetown I took only my then brandnew 12-24. So no need to change lenses. The dust got under the filter between 2 images shot about 45 minutes apart. I drove (>30minutes) from the spot of the first image to the spot of the second, in the company of 3 colleages, who can testify that I didn't take the lens of my camera between the 2 shots.
Feels like I have a pretty strong case, but Pentax is just stonewalling.
Camera is gone for 8 weeks by now.
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