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Custom Auto ISO - Can't get User factor to work on A720IS

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Offline Hjuler

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Custom Auto ISO - Can't get User factor to work on A720IS
« on: 23 / May / 2008, 04:27:49 »
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Hi

I'm the happy owner of the Powershot A720IS and Allbest build 50.
Until now, I have used the functions with success but I have problems with the User Factor setting in the "Custom Auto ISO".
It seems like it does not account for focal length (FL) at all. When I extend to 210mm it still gives me shutter speed of 1/60 without raising iso.
The minimal shutter speed works fine.

Here are my custom Auto Iso Settings:

Minimal shutter speed: 1/60
User factor: 6
IS factor: 1
Max ISO HI (x10): 26 (around market 400)
Max ISO auto (x10): 13 (around market 200)
Min ISO (x10): 5 ( around market 80)

And of course, custom auto iso is enabled, iso is set to auto and I'm operating in P mode (program mode)

Hope someone can help me
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Offline Hjuler

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Re: Custom Auto ISO - Can't get User factor to work on A720IS
« Reply #1 on: 30 / May / 2008, 03:41:57 »
I can't believe that nobody has any experience with this setting.

Can anyone confirm that that "User Factor" setting works in any camera at all?


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Offline vit40

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Re: Custom Auto ISO - Can't get User factor to work on A720IS
« Reply #2 on: 30 / May / 2008, 03:46:28 »
What happens if you set minimal shutter speed to "auto"  ?  I didn't try, but I'm afraid in your case minimal shutter speed would be 1/60 regardless the zoom position
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