Generic Bracketing and EV script - Script Writing - CHDK Forum
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Generic Bracketing and EV script

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Offline fourdee

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Generic Bracketing and EV script
« on: 30 / April / 2009, 13:36:04 »
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Offline andrea1984

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Re: Generic Bracketing and EV script
« Reply #1 on: 03 / May / 2009, 10:22:08 »
Do you think it will work on my 860 IS?
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Offline fourdee

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Re: Generic Bracketing and EV script
« Reply #2 on: 04 / May / 2009, 12:03:55 »
It should work.  You need to be using one of the newer versions of CHDK that support get_ev and set_ev etc.
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Offline andrea1984

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Re: Generic Bracketing and EV script
« Reply #3 on: 07 / May / 2009, 10:07:32 »
I've tried your script, and it work.
I cannot set the script in right way:
If I want to shoot 3 photos, -2 0 +2 (maximum range of 860IS), how I have to set the values?
Thanks

P.S.
I doesn't take the third shot if i use AFL, the script will fail.
« Last Edit: 07 / May / 2009, 10:22:04 by andrea1984 »
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Offline fourdee

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Re: Generic Bracketing and EV script
« Reply #4 on: 07 / May / 2009, 11:48:06 »
You would set Step Size to 6.
This should give 3 photos at, -2, 0, +2.

The script is fairly simple and doesn't track or use Auto Focus Lock.
For me once I start the script, it ignores AFL, but I still get the three photos and the script doesn't crash.
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Offline fourdee

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Re: Generic Bracketing and EV script
« Reply #5 on: 07 / May / 2009, 15:50:53 »
If you need to use AFL you can try using the alternate focus lock mode.

Start camera make sure it is not in alt mode.  Set up your photo as required, press shutter 1/2 down to get AFL.  With shutter still held 1/2 way, press MF.  This should lock manual focus to what the AFL is set at.
Start <alt> mode (press printer).  Run script.
Should run using the MF.
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Offline andrea1984

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Re: Generic Bracketing and EV script
« Reply #6 on: 07 / May / 2009, 16:00:04 »
Yep, I've tried, but the script doesn't work in this mode.

I started the camera, set the manual mode, shutter 1/2 down and pressed the focus button (this will lock the focus).
When i run the script, it shoot only the first image.

If i remove the AFL lock the script (even in manual mode) run correctly.
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Offline andrea1984

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Re: Generic Bracketing and EV script
« Reply #7 on: 08 / May / 2009, 08:57:37 »
Maybe the only way is to replace the set_ev function with another that changes only the TV...
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