DFM - Design for Manufacturing -- PYRAMIDS TECH CORP.
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DFM and You: Making the Transition from Design to Manufacturing!
DFM Engineering is an American telescope and optics manufacturer founded in 1979 by Frank Melsheimer in Longmont, Colorado. DFM makes medium size Cassegrain telescopes and their associated systems including telescope optics, control systems, and mounts. A range of pre-designed telescopes are made, as are various custom installations.
DFM produces its classical Cassegrain design in various apertures from 16 inches (0.4 m) to 50 inches (1.3 m) and larger. The base DFM 16-inch (40 cm) telescope system cost roughly 94 thousand USD in 2005.