Key Points for Selecting a Telecentric Lens
The selection of a telecentric lens is a process that requires systematic consideration. The seven key parameters—working distance, field of view, telecentricity, depth of field, resolution, distor......
In which scenarios is an autofocus video microscope not suitable?
Autofocus video microscopes significantly improve observation efficiency with their automated focusing capabilities and real-time video imaging. However, they are not suitable for transparent/low-c......
No-programming online diameter measuring instrument, locking wire dimensions in seconds
Online digital diameter gauges, especially products such as POMEAS with core advantages such as “smart, programming-free, ready-to-use, lightweight, and easy to integrate,” have completely revoluti......
The core differences between object-centered, image-centered, and dual-centered approaches
Worried that object movement will affect measurements? Choose object telecentricity! Worried that camera installation inaccuracy will affect measurements? Choose image telecentricity! Want both u......
The relationship between telephoto lenses and light sources
The performance of telecentric lenses is closely related to the light source, which must be uniform and parallel. The specific choice of lens should be based on the testing scenario....
How do telecentric lenses achieve high-precision dimensional measurement?
Telephoto lenses, with their unique optical design, fundamentally solve problems such as magnification fluctuations caused by perspective distortion and changes in object distance, making them indi......
Difference between telecentric zoom lens and 0.7x-4.5x lens?
Although both telecentric zoom lenses and ordinary zoom lenses can realize magnification adjustment, there are differences in measurement accuracy, applicable scenes and performance parameters due ......
Telecentric zoom lens: how to pinpoint the right zoom range?
As a core component in machine vision inspection, the choice of zoom range directly affects inspection accuracy, efficiency and system compatibility....
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