"Aperture" on SD870 - General Help and Assistance on using CHDK stable releases - CHDK Forum
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"Aperture" on SD870

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Offline mikeage

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"Aperture" on SD870
« on: 16 / October / 2008, 23:51:43 »
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Hi,

I'm well aware that my SD870 (like all the SD series cameras) does not have a real aperture, but simulates one via a ND filter. Based on reading these forums, I've been lead to be believe that the two f-stops it mimics are f/2.8 and f/8.0.

If so, why does the canon firmware regularly show me other f-stops (such a f/5.6)?

Thanks
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Offline PhyrePhoX

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Re: "Aperture" on SD870
« Reply #1 on: 17 / October / 2008, 03:06:13 »
Thats because of the zoom.
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Offline mikeage

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Re: "Aperture" on SD870
« Reply #2 on: 17 / October / 2008, 03:11:11 »
Ah; that makes sense. Thanks!
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