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• Generate the Moire fringe between the grid light and CCD elements to calculate the lens power based on the phase lag of the Moire fringe.
• Use 4 CCD elements per grid to detect the reaction.
• Quantitatively determine (mdpt) the optical distortion (lens power) in the camera scanning direction.
• International patented.

Fish Eye (with Core)

Fish Eye (without Core)

Film Dint Defect

Film Dint Defect

Glass Striae

Glass Foam Defect

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