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Aperture control in CHDK

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Offline SuperSized

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Aperture control in CHDK
« on: 19 / May / 2008, 05:43:54 »
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Hey guys,

I've been playing around with the latest AllBest build over the weekend and I have noticed there is a way to control the shutter speed in the AllBest menu structure. Although this is quite useful I'm wondering if there is a way of controlling the aperture as well without using a script? I'm planning on getting some pics of lightning (using MD7 I think) soon and would like some control of the aperture.  ::)

Thanks,
SuperSized

EDIT - Camera = SD700IS
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Offline whim

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Re: Aperture control in CHDK
« Reply #1 on: 19 / May / 2008, 06:03:12 »
AFAIK Canon SD cams don't have an iris diaphragm, they use a NeutralDensity filter,
which you can control from CHDK. Do a forum search for "ND filter" and you'll find
lots of topics..

wim

« Last Edit: 19 / May / 2008, 07:26:36 by whim »
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Offline SuperSized

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Re: Aperture control in CHDK
« Reply #2 on: 19 / May / 2008, 08:33:34 »
Cheers, thanks. Was wondering wht that was for ::)
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Offline RaduP

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Re: Aperture control in CHDK
« Reply #3 on: 19 / May / 2008, 17:53:18 »
So that thing has no real aperture? That means that setting it at F8 for landscapes is actually going to make the images worse?
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