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Old Aug 31, 2004, 8:00 PM   #11
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Ph0enix wrote:
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I feel so bad. Buying Z3 is my wrong decision.

In conclusion,I think that my Z3 (maybe all Z3)can't use long time exposure, whileCanon S1 work with longer exposure

Anyway, thanks you for great infomation
Look, there may be something wrong with it (noise reduction not working). The next tester's image doesn't look too bad. So, it's possible that you just got a "lemon".

I'd retest it -- making sure it's cool (so the test is valid). Test it with and without noise reduction and post the images. Then, we can see the difference (to see if noise reduction is working or not). I'd run the tests at shorter times, too (2 seconds, 5 seconds, 10 seconds- with and without noise reduction).

Ifyou can show that the noise reduction doesn't work (with images with and without it enabled), then you may be able to get your vendor to swap it out. Heck, most vendors don't even care what's wrong for replacements (but the manufacturer may if you try to send it in for service, so you'd want to provide evidence of the problem so they know what to look for).
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Old Aug 31, 2004, 10:34 PM   #12
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I had the same amount of hotpixels on my first test.

I think its only the hot CCD.

Have testet it again 20 °C and only made 2 Pics 10 sec ISO 50 > almost no Hotpixel.

Your SD Card and AS can warm your CCD allot so test it again after turning it on (from a cold room maybee)
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Old Sep 1, 2004, 4:06 AM   #13
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Noise Reduction ON and OFF is quitedifferent.
Yes, my z3 noise reduction is work but not good performance.

Ps. My country is awarm country (30-32 °C).
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Old Sep 1, 2004, 8:57 AM   #14
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That seems the cause!

Can you try your cam in a climated room with 20-22 °C?
(The cam should also cooled down some time)
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Old Sep 1, 2004, 11:12 PM   #15
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I don't know what's wrong with my Z3.
I can't solve this problem, then ibring it back to a vendor and change it to Canon S1.

Now, i'm happy with S1. Thanks you everybody for good advise.
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