Max Levy Optical Calibration Target 1/16 x 4 x 4" 11 Circles 0.005" - 1.000" .

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Max Levy Optical Calibration Target 1/16 x 4 x 4" 11 Circles 0.005" - 1.000" Pos

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GOM CP20-MV-55x44mm Calibration Panel 55 Optical Measuring Techniques Capture 3D

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Land Instruments 702-778 Optical Chopper Assembly Zero-Point Calibration Module