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Old 11-17-2009, 01:13 PM
jepsie jepsie is offline
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Join Date: Sep 2009
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Default Rule of thumb for Canon IS lenses - and ISO settings?

Hi all,

I have the otherwise great Canon 5Dm2 and I really enjoy the auto ISO.

However, the camera does not take the IS on IS lenses into consideration, and I was wondering if there was a rule of thumb to calculate how many ISO stops (is it called that?) you can manually compensate with after having applied ISO automatically with an IS enabled lens.

Anyone??

To give you an example:

With auto-ISO, I take a shot of my Cornflakes box at ISO 1250. I manually adjust that down to ISO 250 and still get the ingredient list equaly sharp.

24 - 105 @ 105mm.

Iso 1250 vs. ISO 250 - quite the difference!

/jepsie
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