Metal Parts Measurement

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The most common application of bi-telecentric lenses is to measure precision mechanical parts.

Detection object:

Metal parts measurement

Testing requirements:

  • Size measurement
  • High precision

Solution: DTCM118-64H-AL (DTCM series double telecentric lens) + DTCL-64-1W-G (telecentric parallel backlight) +1/1.8″ camera


Test results:

  • The resolution of the center and edge of the field of view is the same, and the distortion is extremely low (0.04%);
  • With parallel backlights, compared with traditional flat-panel backlights, the edges are sharper and the gray transition pixels are fewer. At the same time, the brightness of the center and the periphery of the field of view remains uniform, which maximizes the high resolution characteristics of the lens and greatly improves Accuracy of measurement;
  • The effective aperture is F4.6, while the resolution is guaranteed, the depth of field also meets the project requirements;

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