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CDHK in IXUS 860IS

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CDHK in IXUS 860IS
« on: 26 / May / 2008, 00:07:13 »
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In CDHK Menu, I only find the option for Shutter Speed? Is it can maunally set aperture?

Thanks

Re: CDHK in IXUS 860IS
« Reply #1 on: 26 / May / 2008, 00:40:57 »
The Ixus 860IS doesn't have an iris, it only has a neutral density filter which can only produce settings of f/2.8 and f/8.  There is a CHDK setting for ND filter, but it doesn't seem to work (yet).  For my purposes, I need a high shutter speed around 1/800 to 1/1000.  When I tried setting the shutter speed in CHDK, it didn't automatically adjust the ND filter to f/2.8, so my images were very underexposed.  I have found that setting EV +1 1/3 or greater so will force the ND filter to select f/2.8.

Hopefully the CHDK ND filter settings will be functional soon.

Re: CDHK in IXUS 860IS
« Reply #2 on: 27 / May / 2008, 15:06:50 »
Does anyone know how to set flash flash power and disable preflashes?
Now it makes preflashes, but I want to disable them and get only 1 minimum power flash to trigger other flashes.

Have to use max aperture if ND doesn't work yet. I wan't to take Ixus to studio  :)

 

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