![Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine](https://www.qualitymag.com/ext/resources/VS/September2015/Lenses/VS0915-FT1Lenses-p3.jpg)
Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine
![optics - Why bi-telecentric lens works with a finite focal length while it should be afocal system? - Physics Stack Exchange optics - Why bi-telecentric lens works with a finite focal length while it should be afocal system? - Physics Stack Exchange](https://i.stack.imgur.com/3ojMy.png)
optics - Why bi-telecentric lens works with a finite focal length while it should be afocal system? - Physics Stack Exchange
![Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine](https://www.qualitymag.com/ext/resources/VS/September2015/Lenses/VS0915-FT1Lenses-p2.jpg)
Straight and True: Telecentric Lenses for Metrology and Quality Assurance | 2015-09-08 | Quality Magazine
![Telecentric lenses: special optics to collect collimated light ray bundles - Opto Engineering Basics Telecentric lenses: special optics to collect collimated light ray bundles - Opto Engineering Basics](https://www.opto-e.com/media/basics/optics/bi-telecentric-lens.png)