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Old Jun 4, 2005, 8:27 PM   #1
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I have a Casio Exilim Ex-Z50 and the camera has been great since I bought it in Nov. 04'. This past week, a strange black dot, or maybe it is dust, appears on all of my images. I have included an example to illustrate what my pictures look like when I upload them onto my computer.

I am clueless when it comes to this kind of stuff, so any suggestions on what this is and what I should do would be greatly appreciated!:-)
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Old Jun 24, 2005, 3:03 AM   #2
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maybe its because of your computer....your computer maybe has a virus....or maybe that your camera got problem...try going back to the place that you bought your camera and ask the manager...
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Old Jun 24, 2005, 5:24 PM   #3
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maybe its pixel burn
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Old Jun 24, 2005, 10:22 PM   #4
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Maybe there's dust which cause this...:?
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Old Jun 24, 2005, 10:50 PM   #5
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I think those who suggested a stuck pixel or dust didn't scroll over to the dot. My best guess is that there might have been physical damage causing the CCD filters or something to shift. Did you drop it? Get water in it?

I really have no idea, but I don't think it will go away unless it is internal condensation on the CCD that will evaporate. Put it in a dry warm place for a while, but you are probably going to have to send it in for repair – the warranty should still be good.

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Old Aug 16, 2005, 8:15 AM   #6
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I have exactly the same problem.
See picture attached.

As far as I could diagnose it only appears at small apertures, i.e. f6.0 or smaller.
At least it's not visible in wider apertures, and I can't filter anything out with PhotoShop either at wider apertures.

You'll see it appears in almost the same location.

I have no clue yet at to the cause. I'm no expert in CCD technology.

The effect is already visible on the LCD screen whilst taking the picture.

I bought my Z50 in the last quarter of 04 as well, in the US. I live in Europe so I expect a serious warranty discussion anyways...

Any further toughts most welcome.
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Old Aug 21, 2005, 10:08 AM   #7
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hi

does the dot move when you zoom(optical)

if it does it seems to be dust on the inside of the ccd. and it needs a repair. i have seen it some times and i repair thoes things on a daily basis..


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Old Sep 21, 2005, 3:43 AM   #8
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The dot doesn't move from its position, but it gets more in focus at smaller apertures.
So I still wonder if the spot isn't on the optical system rather than on the CCD.

wkr

Jan
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