What is your Vision Measuring Machine actual magnification? How to calculation it?
2021-01-25
There are three magnification in the VMM, one is optical magnification, this is based on geometric imaging principle. It is a fixed value generally. 0.35x~2.225x or 0.7x~4.5x. Another is digital magnification. It means the magnification of processing and imaging on the CCD camera. The digital magnification is related on target size and monitor size.
Actual magnification is video magnification, the value of it is optical magnification multiply by digital magnification.
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