SD1000/IXUS 70 - I notice there are multiple aperture values! (anyone else?) - General Discussion and Assistance - CHDK Forum
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SD1000/IXUS 70 - I notice there are multiple aperture values! (anyone else?)

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Offline Coutts

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SD1000/IXUS 70 - I notice there are multiple aperture values! (anyone else?)
« on: 27 / February / 2008, 15:41:40 »
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so i know there are only 2 aperture values on the SD1000, F/2.8 and F/8.0 (with nd filter). But i noticed when i mess around with the zoom, i can get other aperture values such as F/3.2, F/3.5, F/4.0, F/4.5, and F/4.9. i just clicked the zoom in button so it zoomed in the smallest increment it could do, F/4.9 being achieved at the highest optical zoom before it started going into digital zoom where it stayed at F/4.9. Am i onto something here or is this useless information because its with zooming?
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Offline Barney Fife

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Re: SD1000/IXUS 70 - I notice there are multiple aperture values! (anyone else?)
« Reply #1 on: 27 / February / 2008, 21:34:23 »
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« Last Edit: 22 / April / 2008, 13:04:10 by Barney Fife »
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Offline pitquim

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Re: SD1000/IXUS 70 - I notice there are multiple aperture values! (anyone else?)
« Reply #2 on: 28 / February / 2008, 02:33:57 »
This is a variable aperture zoom; this means tha maximun aperture varies with focal length. Max aperture is f/2.8 when using the wide 35mm, but only 4.9 with the tele 105mm
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