PIX 2015

ISO settings on 1DIII

Started Mar 29, 2013 | Questions thread
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Armando J. Rodriguez, Jr.
Contributing MemberPosts: 868Gear list
ISO settings on 1DIII
Mar 29, 2013


I just bought a used 1DIII. The English manual is missing, but the camera is in excellent shape. This is my first 1D body ever.

I cannot lower the 1SO under 200.  The first thing I did when I got the camera was to reset all settings to factory default. I tried custom function I-3, played with it, deactivated it, registered the Lowest ISO speed to "L", clicked "apply"... Tried everything and still ISO will not go lower than 200.

Am I missing something?

Or is the software in the camera corrupted?

Please!!! help!!!

Many thanks,


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'Heavens declare the glory of God,' and I hope my pictures will too.

 Armando J. Rodriguez, Jr.'s gear list:Armando J. Rodriguez, Jr.'s gear list
Canon EOS 70D Canon EF 50mm f/1.4 USM Canon EF 85mm f/1.8 USM Canon EF 135mm f/2.0L USM Canon EF 400mm f/5.6L USM +4 more
Canon EOS-1D Canon EOS-1D Mark III
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