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Re: [Digital BW] Photozone lens tests

2008-10-06 by Ernst Dinkla

pr_roark wrote:

> At any rate, I'm impressed with Photozone, although I hope they start 
> testing on full frame Canons also.

Part of their problem is that they like to keep correlation 
between all the lens test results so the relative old Canon 
350D is still used, even for the latest lenses.
So FF but then with a pixel density that is the same to the 
pixel density of the Canon 350D = 3.1ML/CM2 and the 5D MII 
is  on 2.4 right now so we have to wait another year. Pixel 
density isn't telling all as the pixel wells grow in size 
and quality per generation even with the same pixel density.

DPreview faces the same problem: Andy Westlake's comment on 
that issue somewhere in the middle of this page:
http://forums.dpreview.com/forums/readflat.asp?forum=1000&thread=28994243&page=2

ColorFoto has less compatibility between their lens test 
results but tested more lenses on different sensors 
including the most recent ones. They also lay more emphasis 
on low contrast resolution in their latest test methods so 
you have to check the test number next to the results: 
Testverfahren 1.3-1.4-1.5.

-- 
Met vriendelijke groeten,  Ernst


|  Dinkla Grafische Techniek  |
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