What is the value factor? - General Help and Assistance on using CHDK stable releases - CHDK Forum
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What is the value factor?

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Offline halofuji

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What is the value factor?
« on: 21 / August / 2011, 10:40:19 »
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I recently installed CHDK on my Canon A495 Camera. When I access the alternate menu, I see something called Value Factor underneath some options.

For example: When I went to override the shutter speed, underneath that option there is one called "Value Factor" I can only set it to 1 or off. I am not sure what the function of that is. The same case applies to Overriding the ISO factor.

Please clarify what is this Value Factor? Should I put it to 1 or off?
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Offline waterwingz

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Re: What is the value factor?
« Reply #1 on: 21 / August / 2011, 10:50:46 »
Quote from: halofuji on 21 / August / 2011, 10:40:19
I recently installed CHDK on my Canon A495 Camera. When I access the alternate menu, I see something called Value Factor underneath some options.

For example: When I went to override the shutter speed, underneath that option there is one called "Value Factor" I can only set it to 1 or off. I am not sure what the function of that is. The same case applies to Overriding the ISO factor.

Please clarify what is this Value Factor? Should I put it to 1 or off?
Set it to OFF  to disable shutter speed override.  Set it to 1 to enable shutter speed override.

In general in the <ALT> menus,  value factor is like a multiplier. You multiply the value by the value factor.  For example, take a look at the Override ISO value and value factor on the same menu.  Set the overide to 64 and the value factor to 1 and get ISO 64.  Set the overide to 64 and the value factor to 10 and get ISO 640.

Update :  take a look at this short animated link < Search > which will get your to this http://chdk.wikia.com/wiki/CHDK_User_Manual#Override_Subject_Distance for a good explanation of Value Factor.
« Last Edit: 21 / August / 2011, 10:58:17 by waterwingz »
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Offline halofuji

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Re: What is the value factor?
« Reply #2 on: 21 / August / 2011, 11:23:52 »
Thanks!!!
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