Profile: Graham Optical Systems is a manufacturer of visible wavelength and infrared phase Fizeau interferometers & infrared interferometers. Our product line includes Fizeau, infrared, dual wavelength, and grazing incidence phase adapters. Our brands include Fringe Mite™, Phase Mite™, Lazer Grazer™, Phase+™, StarFringer™ and PulsarStrobe™. Our model 2VP provides the smaller field of view and higher magnification that is so important when evaluating small parts. The vertical format of the Model 2VP is very convenient and highly suited for a wide variety of applications, from small precision lapping and optical fabrication operations to the quality control departments and R&D laboratories of large industries. The large 8-inch gap between the interferometer reference surface and the sturdy integral tilt-table allows the interferometer to accommodate test pieces such as sub-assemblies or long laser rods. Our FRINGE MITE™ is very convenient and ideally suited for a wide variety of applications, from small precision lapping and optical fabrication operations to the quality control departments and R & D laboratories of large industries. The basic FRINGE MITE® model 2V consists of the interferometer itself, and the video monitor that displays the interferograms for the routine inspection of surface flatness.