100-400 image samples at 400mm please

Started Jul 11, 2012 | Discussions thread
qianp2k
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Re: 100-400 image samples at 400mm please
In reply to m chalkley, Jul 13, 2012

100-400mm is very sharp at 400mm that sharper than at 300mm. I used to own 400L/5.6. My copy of 100-400L (which is late batch as I bought in Dec 2010) is almost as sharp as prime 400L/5.6 at 400mm. I tested against a dollar bill indoor and from 50x shooting distance outdoor. I compared at 100% cropped level and 400L/5.6 is only slightly sharper at per-pixel level.

And this one taken at ISO 3200!
ISO 3200

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