17-55 or 24-105?

Started May 24, 2006 | Discussions thread
SchnellerGT Senior Member • Posts: 1,429
My own test shots...

Like you, I set my Canon EF 24-105 F4L IS box exactly 8 feet away from the front of the lens on my EOS-20D. The box was lit by a halogen desk lamp. Both the box and the camera were in fixed positions (resting on a desk). I used ISO400, Center-Point AF, AWB, and the timer on all shots. The Tamron 28-75 was tested at 55mm at F2.8, F4.0, F5.6, F8.0, and F11.0. The Canon 24-105 was tested at 55mm at F4.0, F5.6, F8.0, and F11.0 with IS enabled on all shots.

Here are my results:
(All images are 100% crops with NO additional work in PS!)

Looking at my results, I would say my 24-105 is a tad sharper, but I could be bias!

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Three generations of Canon Digital Photography at http://www.threewood.com
(S10, G2, EOS-20D)

 SchnellerGT's gear list:SchnellerGT's gear list
Canon EOS 5D Mark II Canon EF 85mm f/1.8 USM Canon EF 135mm F2L USM
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