Optical lenses, opto-mechanical and opto-electrical systems for visible, UV, and IR imaging, laser optics for excimer, dye, solid state, YAG and CO2 lasers namely, laser scan lenses, beam expanders for low and high power laser applications; laser focusing lenses, confocal microscopy lenses, best form lenses, polarization lenses; laser beam steering devices, namely, Riley prisms, in-line laser beam steerers; long range surveillance lenses, 360 degree surveillance lenses, laser optics for high energy laser weapons, laser optics for missile defense, hyper spectral lenses designed to work over a wide range of wavelengths, optics for commercial DIP projectors, lenses for unmanned aerial vehicles, high resolution imaging lenses, laser projection optics, holographic projection optics, missile tracking lenses, digital radiology lenses, fisheye lenses, SWIRL lenses, IR fixed and zoom lenses; lenses for laser eye surgery, laser micromachining, defense and security, semiconductor, medical, machine vision, UV, IR and telecentric imaging