# Promet Optics > Comprehensive fiber optic end face testing\. Precision optomechanical design and production for applications including medical devices \& machine vision\. Generated by Yoast SEO v28.2, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Optomechanical Design](https://www.prometoptics.com/engineering/optomechanical-design/) - [HOME](https://www.prometoptics.com/) - [SOFTWARE](https://www.prometoptics.com/products/software/) - [FiBO® 200 Accessories](https://www.prometoptics.com/products/accessories/fibo-200/) - [FiBO® 250 Accessories](https://www.prometoptics.com/products/accessories/fibo-250/) ## FiBO Blog - [How do I Measure Endface Geometery of MIL/Aero Large Core Fibers?](https://www.prometoptics.com/fibo-blog/how-do-i-measure-endface-geometery-of-milaero-large-core-fibers/) - [Why do I need to test endface geometry for my RF Over Fiber application?](https://www.prometoptics.com/fibo-blog/why-do-i-need-to-test-endface-geometry-for-my-rf-over-fiber-application/) - [How Does Ferrule Rotation Affect Apex Offset Measurements of APC Connectors? \| Part 1](https://www.prometoptics.com/fibo-blog/variation-linear-apex-offset-measurement/) - [How Does Ferrule Rotation Affect Apex Offset Measurements of APC Connectors? \| Part 4](https://www.prometoptics.com/fibo-blog/how-does-ferrule-rotation-affect-apex-offset-measurements-of-apc-connectors-part-4/) - [How Does Ferrule Rotation Affect Apex Offset Measurements of APC Connectors? \| Part 3](https://www.prometoptics.com/fibo-blog/how-does-ferrule-rotation-affect-apex-offset-measurements-of-apc-connectors-part-3/) ## Optional - [Sitemap index](https://www.prometoptics.com/sitemap_index.xml)