The Purple Haze in HS camera fix - General Help and Assistance on using CHDK stable releases - CHDK Forum
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The Purple Haze in HS camera fix

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Offline radioman193

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The Purple Haze in HS camera fix
« on: 30 / January / 2012, 22:00:07 »
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This is NOT a "Light leak" Isue.
It Is an electronic Ground Shielding Isue 
Most people would not even notice this UNTILL you run CHDK with Long exposures

I have done alot to find the Exact reason for this isue.
and i have found it.

if you use Black thick paper it will NOT fix the problem

i used tinfoil over the back of the CMOS about the size of the screen then poped the screen back in over it.
its a ground shield isue .

this is what mine WAS doing (Note the purple Haze) on the Left side.





i had the SAME isue to but i dont now:)







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Offline radioman193

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Re: The Purple Haze in HS camera fix
« Reply #1 on: 30 / January / 2012, 22:00:40 »
this is NOT a "Light leak" Isue.
It Is an electronic Ground Shielding Isue
After you lift off the screen just lay your tinfoil
Here and fold back the Top right corner for the LCD ribbon cable.
it looks like alot of work   :'( but its not......
It will take you about 10 to 15 minutes to complete this.
and is WELL worth the effort. :D







Let me know how this works for you i have had to do this with a few other cameras to.

I hope this helps you and Others that Just Might be experiencing this behavior in this AND Other cameras.

 
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