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Forums > Back > next PZ lens test report: Sigma AF 150mm f/2.8 EX HSM DG APO macro OS (EOS)
Klaus
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#36
08-08-2011, 08:24 PM (This post was last modified: 08-08-2011, 08:29 PM by Klaus.)
[quote name='karlmera' timestamp='1312833947' post='10528']

Are the MTF-curves of Schneider and Rodenstock macro lenses the results of infinity-testing?

[/quote]



The industry standard is to supply MTFs at infinity focus unless otherwise specified.

At least conventional lenses are primarily optimized to perform best here AFAIK.

That said you always have a multi-parameter optimization.
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next PZ lens test report: Sigma AF 150mm f/2.8 EX HSM DG APO macro OS (EOS) - by Klaus - 08-08-2011, 08:24 PM

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