Odd zooming experience at DVinfo.net

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Old September 28th, 2004, 09:39 AM   #1
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Odd zooming experience

I was outside the other night, watching the clouds flying past the full moon. SO I got my GL1 out, set it on the tripod, and set it manually . The odd part is, the image seemed to be zooming in and out by itself. I had the stabliser off.

Is this just an illusion, or is it a problem?

On a different note, I also couldn't get Canopus or Premiere to detect the camera using 1394 and the Canopus B/O box.
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Old September 28th, 2004, 10:57 AM   #2
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Both focus and exposure were set to manual, Keith?
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Old September 28th, 2004, 11:04 AM   #3
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Hey Ken- I had the cam set on M, which is fully manual, right?
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Old September 28th, 2004, 11:22 AM   #4
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That establishes manual exposure control. It's been a while since I've used the GL1, but I believe that manual focus control is set with a switch on the left side of the lens barrel, as it is on the GL2. Check me on this.
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Old September 28th, 2004, 11:25 AM   #5
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Correct, as usual Ken. It must have been in auto focus, but would that cause the funky zooming?
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Old September 28th, 2004, 11:38 AM   #6
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Was it really zooming or just hunting for a focus point in the vastness of the night sky?
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Old September 28th, 2004, 11:45 AM   #7
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I'm not sure, Mike, but it was just like rocking the zoom back and forth.
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Old September 28th, 2004, 11:54 AM   #8
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<<<-- Originally posted by Keith Forman : Correct, as usual Ken. It must have been in auto focus, but would that cause the funky zooming? -->>>

It sure would, particularly when trying to shoot the sky. Auto focus relies mainly on contrast.
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