Test Targets, Calibration Targets, and Reticles - Thorlabs

Thorlabs offers a variety of test and calibration targets for use in imaging systems. With these targets, the user is able to determine the resolution, distortion, magnification, or spatial frequency response of an imaging system. Additionally, Thorlabs offers reticles for use in superimposing a crosshair or concentric circle pattern on an imaged object.

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Source: Test Targets, Calibration Targets, and …
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