Hardware limits for the A590 IS - General Help and Assistance on using CHDK stable releases - CHDK Forum
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Hardware limits for the A590 IS

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Offline talhak91

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Hardware limits for the A590 IS
« on: 10 / June / 2009, 02:35:51 »
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Does anyone know the hardware aperture range for the A590 IS? The page for the camera says the posted values need verification. Thanks.
« Last Edit: 10 / June / 2009, 02:43:17 by talhak91 »
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Offline Chelidon

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Re: Hardware limits for the A590 IS
« Reply #1 on: 03 / July / 2009, 10:02:36 »
About the aperture ovveride I can tell this:
When some time ago (more or less realese 0.6 and before) was still possible to set aperture beyond f/16 I found the hardware limit to f/20 (at 140mm EF, f/11 at 35mm EF) and I was pretty sure of this not only by EV comparison but even because was really possible to see inside the lens the diaphragm change until f/20 and not beyond.  ;)
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