Trenton Burd wrote:
> Secondly, here is the comparison using Photodo tests.
> 
> 28-135mm IS Weighted MTF for 28 mm: f3.5 0.73, f8 0.74
> 28-70 F2.8L Weighted MTF for 28 mm: f2.8 0.77, f8 0.81
> 
> 28-135mm IS Weighted MTF for 50 mm:          f4.5 0.81, f8 0.82
> 28-70 F2.8L Weighted MTF for 40 mm: f2.8 0.75, f4 0.81, f8 0.83
> 
> 28-135mm IS Weighted MTF for 85 mm:          f5.6 0.80, f8 0.79
> 28-70 F2.8L Weighted MTF for 70 mm: f2.8 0.70, f4 0.77, f8 0.81
> 
> 28-135mm IS Weighted MTF for 135 mm: f5.6 0.70, f8 0.73


Peter,

Where did you find these MTF tests?  Photodo.com?  If so, where exactly.  I
couldn't seem to find them.  But I'd love to see other tests for non-L
series lenses.  Or if anyone else knows a reliable source for EF lens tests,
I'd appreciate it. 

---------------------------------------------------------------------------

Hi Trenton,

Go to www.photodo.com then chose Products (top), then pick Canon from list
and all the Canon lenses they have tested are listed there.  I just cut and
pasted the numbers.

Peter K

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