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Question

MTF at what contrast should be used for tolerance analysis


xiaoleiwang
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Hi everyone,

Normally, what percentile MTF you use for system tolerance analysis? I have a microscope system and want do tolerance analysis for alignment (optomechanics design). However, I am not sure how I choose MTF value. Should I use MTF value at 20% contrast, 50% contrast, or other value? Any information would be helpful!

Thank you,

Xiaolei

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