Machine Vision Knowledge Base: Lens Selection and Application Guides
Knowledge
Telecentric vs FA Lens in Precision Measurement: 4 Checks
Telecentricity, edge and same-axis accuracy, depth of field versus part height, and when an FA lens wins: four checks before you specify.
What Is a Telecentric Lens? Principle, Types, When to Use
Learn how a telecentric lens keeps magnification constant to eliminate perspective error in machine vision measurement - working principle, the three types
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×
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
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
Select a telecentric lens by sensor size, magnification, FOV, working distance, depth of field and accuracy, with formulas and a worked example.
IMAGE3 Selection Guide: Choose the Right Image Measuring
How to select an image measuring machine: accuracy, optical configuration and IMAGE3 model choice, plus a quick selection chart and checklist.
Medical Tube Inspection System for Transparent Tubing
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?
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.
Subscribe to Our Newsletter
Simply enter your email to receive the latest news and insights from Pomeas. Stay connected with Pomeas and be the first to discover new innovations in optical excellence.
