Machine Vision Knowledge Base: Lens Selection and Application Guides
Knowledge
Motorized Zoom Lens for Chip OCR Inspection | Case Study
LZH-7504 motorized zoom lens case study: stable OCR inspection of chips from 3 x 2 x 1 mm to 30 x 20 x 12 mm with a continuously adjustable 50-10 mm short-side FOV.
High-Magnification Fiber End-Face Inspection with a 10× Telecentric Lens
A practical look at fiber-array end-face imaging with the POMEAS LTCM10-65C 10× bi-telecentric coaxial lens, including real images, field of view and setup limits.
Electric Zoom Lens for Electronics & Semiconductor Inspection
How machine vision zoom lenses are used for PCB, IC chip, bonding wire, BGA, connector and LED inspection, with camera, lighting and FOV selection guidance.
How to Choose a Telecentric Lens: FOV, WD, DOF & Accuracy
Learn how to select a telecentric lens based on sensor size, magnification, FOV, working distance, depth of field, resolution, distortion and measurement accuracy.
IMAGE3 Selection Guide: Choose the Right Image Measuring Machine
How to select an image measuring machine: accuracy, optical configuration and IMAGE3 model choice, plus a quick selection chart and checklist.
Automated Medical Tube Inspection System for Transparent Tubing Measurement
How to measure transparent medical tubing: inspection requirements, measurement challenges, the POMEAS vision measurement solution and inspection process.
Why Does a Zoom Lens Shift After Changing Magnification? Causes & Solutions
Why the image shifts after you change zoom magnification: the causes in continuous and motorized zoom lenses, how to tell them apart, and how to fix each one.
Wedge Lens for Fiber Optic Inspection | Precision Measurement
How to inspect 0.1 mm wedge lensed fibers with end-face imaging and angle measurement: illumination, magnification, depth of field and the parameters that decide image quality.
Medical Bone Screw Dimensional Inspection Solution
How to measure small medical bone screws with complex threads: why contact gauges fall short, the in-line image measuring workflow and HM-1120 specs.
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