Can we Expand Auto-Iso range on 450D? - DSLR Hack development - CHDK Forum supplierdeeply

Can we Expand Auto-Iso range on 450D?

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Can we Expand Auto-Iso range on 450D?
« on: 17 / July / 2012, 09:39:25 »
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Is there a way on the 450D to expand the Auto Iso range so that it includes Iso1600 and Iso100?

The auto Iso feature on the 450D is great except that it only sets Isos in the range of 200-800.  Even though the manual says it includes Iso100, you have to push it to extreme settings like F22 or 1/2000 shutter before it will kick down to Iso100.  Auto Iso would be so much better if it included the full range of Isos.  Also My wife and friends who borrow the camera wouldn't have to worry about learning how to use the Iso either.

Iso 100 & 1600 are my most common Iso settings, so it would be wonderful if Auto Iso could include these.
Can anyone tell me if it is possible to hack a 450D so that the Auto Iso range covers the full range available?

 

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