There is a lens testing set of instructions at:
http://www.imatest.com/docs/lens_testing.html
Imatest is written by Norman Koren, an engineer and photographer,
interested in photo quality for some time:
http://www.normankoren.com/
I noticed in the list of people using Imatest for testing Klaus
Schroiff who used to be part of this list, when he was a grad student
if I am not mistaken. Then he was collecting tests by other people.
Winsor
Long Beach, California, USA
On Jul 24, 2006, at 12:44 PM, ScottGee1 wrote:
> Yeah, if I read the MTF charts in the reviews and was puzzled by them.
> Here's an explanation of their new methodology:
>
> http://www.photodo.com/topic_143.html
>
> I'm still sorting it out. They don't mention which RAW converter(s)
> they use. Also, the statement, "It should be noted however, that
> results are only relevant to the camera/sensor combination that the
> test was carried out on!" is interesting as well. All the tests of
> Oly lenses were done on an E500; is that the best choice? And "lp/mm"
> is replaced by "cyl/pxl" which may account for the seemingly low
> values on the graphs.
>
> The Imatest site looks like it will require a bit of time and effort
> to assimilate so that will have to wait for another day. :D
>
> ScottGee1
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