Precision Optics Corporation has been a developer and manufacturer of advanced optical instruments since 1982. We design and produce high-quality medical instruments, micro‑optics and assemblies with sizes less than 1 millimeter, and other advanced optical systems. Our medical instrumentation line includes rigid laparoscopes, arthroscopes, sinuscopes, and a line of world-class 3-D endoscopes. We also design and build flexible fiber scopes with diameters as small as 5 microns with illumination for use in minimally invasive surgical procedures. We have a complete line of endocouplers with focal ranges from 20mm - 45mm and a parfocal zoom coupler with focal ranges from 20mm-37mm. We are registered to the ISO 9001:2008, ISO 13485:2003, CMDCAS Quality Standards, and comply with the FDA Good Manufacturing Practices and the European Union Medical Device Directive for CE marking of our medical products.