Common Mini Optics Design Mistakes and How Product Teams Can Avoid Them

https://flowsealcomponents.almoheet-travel.com/nbr-valves-buying-guide-for-oem-and-contract-manufacturing-teams

Designing a small part can affect the whole product. A mini optics may look simple, but it has a real job to do. It must work with the cap, case, fluid, air path, or light path around it