Aperture Size and Optical Path

Additional PlateScope Technical data:

PlateScope utilizes a large target aperture size. This gives the advantage of greater repeatability, with line screens of 150 lpi and lower. The optical path length is 190 millimeters using 2 internal precision mirrors. This permits greater Height insensitivity than with most instruments with path lengths less than 25 millimeters. Min and Max of the following:

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