Point Spectral Confocal vs. Laser Triangulation: Which is Suitable for Transparent Object Detection?
Traditional laser triangulation methods, constrained by their underlying principles, often suffer from signal loss and data distortion when encountering mirrored surfaces, transparent media, or sur......
Key Considerations for Selecting Point Spectral Confocal Sensors？
The resolution, measurement range, and working distance of point-spectrum confocal sensors are mutually constrained parameters....
What does the “numerical aperture (NA)” of a point-spectrum confocal displacement sensor mean?
In the field of optical precision measurement, Numerical Aperture (NA) serves as the “visual acuity indicator” for optical systems, directly influencing a sensor's light capture capability, imaging......
What is the difference between “dual-remote-center” and “object-square-remote-center”?
“Dual-Far-Center” and “Object-Far-Center” represent two common types, exhibiting significant differences in technical characteristics and application scenarios....
Five Scenarios That Prove Why You Must Choose a Telephoto Lens
When confronting complex inspection tasks that demand extremely high precision and are sensitive to geometric distortion, telecentric lenses demonstrate irreplaceable advantages due to their unique......
Three Steps to Calculate the Correct Magnification of the Required Telecentric Lens
1. Measure the workpiece: Determine the maximum dimension and add edge allowance; 2. Check the camera: Locate the dimension corresponding to the sensor's orientation; 3. Apply the formula: Magnif......
Applications of Motorized ZOOM LENS in Medical Microscopy and Scientific Observation
The application of motorized ZOOM LENS in medical microscopy and scientific observation not only enables automated scanning, digital sectioning, and high-precision measurement, but more importantly......
Guide to Selecting Line Laser Profile Sensors: Z-Axis Resolution, Measurement Range, and Accuracy
During the selection process, balancing the three core parameters—Z-axis resolution, measurement range, and accuracy—often leaves users facing a difficult decision....
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