dr. frank melsheimer, telescopes, astronomical instruments, computer control systems, retrofit, high-precision optics, lidar, electro-optical mechanical systems, robotic research grade telescopes, ritchey-chretien, cassegrain, telescope rebuilding, astronomy, remote observing, large telescope manufacturers, pier dome design, observatory design consulting, system integration, beam directors, heliostats, siderostats, coeleostats, gimbals, satellite trackers, seeing monitors, spectrographs, filter wheels, guide acquire modules, photometers, x-y guiders, differential image motion monitors, dimm, optical interferometers, autoguiders, instrument selectors, alt-azimuth, alt-alt mounts, instrument rotators, handicapped eyepiece, slide mirror

founded in 1979, dfm engineering designs, manufactures, and installs automated research grade telescopes, astronomical instrumentation, lidar scanners, and retrofits older telescopes. references available. implementing proven technological advances in astronomy, physics, and engineering, dfm supplies universities, governments, international organizations and private observatories with quality astronomical instruments. dfm offers consulting, technical training, and technical support for all dfm astronomical products and instrumentation: telescopes, computer control systems, retrofit control systems, electro-optical mechanical systems, custom products, optics and lidar scanners.