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Thread started 14 Sep 2007 (Friday) 16:43
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40D ISO Expansion...

 
Southswede
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Sep 14, 2007 16:43 |  #1

Has anyone had any trouble "expanding" the ISO to 3200? I can't seem to get the ISO to set above 1600. I set C.F 1-3 to the "1" or "ON" setting. Did I miss anything?

I also can't seem to lower the ISO to 100. What am I doing wrong?




  
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qwalls
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Sep 14, 2007 16:48 |  #2

Turn off Highlight Tone Priority. You can only use ISO 200-1600 when it's on. Page 157 in the manual.


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Southswede
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Sep 14, 2007 18:18 |  #3

qwalls wrote in post #3931069 (external link)
Turn off Highlight Tone Priority. You can only use ISO 200-1600 when it's on. Page 157 in the manual.


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Tee ­ Why
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Sep 15, 2007 01:43 |  #4

Yup, HTP sets the ISO from 200-1600 IIRC.


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Southswede
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Sep 15, 2007 04:30 |  #5

Tee Why wrote in post #3933783 (external link)
Yup, HTP sets the ISO from 200-1600 IIRC.



Any ideas why it cuts the high and low ISO's?




  
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Tee ­ Why
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Sep 17, 2007 00:53 |  #6

Nope.


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basroil
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Sep 17, 2007 01:02 |  #7

low because it is underexposing by a stop and upping the exposure via a special curve, high because canon didn't want to deal with underexposing 2 stops and setting up a special curve just for iso3200... you have to remember that iso3200 isn't a real setting anyway


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ANGUS
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Sep 17, 2007 04:07 |  #8

What is the normal ISO rango in M mode on a 40D?? And how well does it manage high ISO compared to the terrible high ISO on my current 400D?


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40D ISO Expansion...
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