Question about Canon EOS-20D Digital Camera with 17-85mm Lens

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Error 99 This is the second day with the camera and i got a Error 99, i read up on some websites that said to take out battery for a few mins and that resets the error, well it worked. Before I reset it I did take off the lens and put it back on. Now the error seems to be gone. I took the camera out with me to work and it was quite cold in the car so i am hoping that it was the moisture/dew that caused this error. Anyone else have any input on this?

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Re: Error 99

Some case this type of error is in connection of incompatible lenses. I had same problem with a Sigma DL 70-300/4-5.6. It's working only in Av position (Aperture priority) and every time I need to set the minimum aperture and it's work. If you forget renewing the aperture setting quickly drop in the ERR99 message because this machine can't control the aperture settings. Very esasy to check any type of lens. Set to Av pos and set a big value in (e.g. 16) and push the depth ctrl button under the lens release button and look into the lens and you need to see that the aperture moving. (I hope anybody understand me, sorry my english isn't perfect yet)

Posted on Nov 17, 2007

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