Optical Perspectives Group, LLC

Optical Perspectives Group, LLC is a consulting firm specializing in the hardware aspects of optical assembly, testing and alignment. In support of these functions, OPG markets three products; the Point Source Microscope (PSM) used for the alignment of optics and optical systems, the MicroFinish Topographer (MFT) for measuring surface finish and the CaliBall, an artifact used for calibrating interferometer transmission spheres using the random ball test.