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Forums > Back > next PZ lens test report: Sigma AF 150mm f/2.8 EX HSM DG APO macro OS (EOS)
#28
I have forgotten to mention that cammera must be mounted of stages used in semiconductor lithography equipment.



The are even more expensive than target.

To fight with environmental vibration you need a specal concrete floor and own building. Not cheap!
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next PZ lens test report: Sigma AF 150mm f/2.8 EX HSM DG APO macro OS (EOS) - by miro - 08-08-2011, 04:08 PM

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