DFM Engineering, Inc.
1035 Delaware Ave. Unit D
Longmont, CO 80501
Phone: 303-678-8143
Fax: 303-772-9411

Company History


DFM Engineering, Inc. was founded in 1979 by Dr. Frank Melsheimer. Dr. Melsheimer is a highly recognized authority in telescope design and manufacturing.

Dr. Melsheimer and his team have designed, manufactured and installed over 85 telescopes worldwide. Always a front runner in the astronomical community, DFM has evolved to offer cutting edge telescopes, electro-optical-mechanical systems, instrumentation, and lidar components.

You are guaranteed quality products, expert professional service and customer satisfaction in all facets of the DFM experience as well as timely response to your inquiries.


The DFM Engineering Team now offers you over 225 years of combined experience and technical expertise!



Customer Testimonials

How To Buy A Telescope

Paper: How To Buy A Telescope (.pdf 92K)

Our Credentials

Letter From the President