What Is a Telecentric Lens? Working Principle, Types, and When to Use One

Learn how a telecentric lens keeps magnification constant to eliminate perspective error in machine vision measurement - working principle, the three types, and when to use one.

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 Electronic 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

Automated Medical Tube Inspection System for Transparent Tubing Measurement

Why Does a Zoom Lens Shift After Changing Magnification? Causes & Solutions

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.