Seiler Instrument & Mfg. Co., Inc.

Seiler Instrument is a contract manufacturer of complex instruments, machined parts, assemblies, and subassemblies with core competencies in design and engineering, machining, assembly, testing, inspection, and servicing. Seiler is the Original Equipment Manufacturer for the optical fire control used on all United States howitzer and mortar systems. This includes the manufacture of telescopes, periscopes, telescope mounts, periscope mounts, aiming circles, fire control quadrants, and more. Seiler machines, assembles, and tests products for the United States Government, military contractors, and companies in the private sector.

Within our realm of machining, assembly, and testing capabilities, Seiler also specializes in the inspection, repair, overhaul, and refurbishment of the artillery fire control used on all existing United States howitzer systems as well as many howitzer systems used by our allies. Refurbished fire control can extend the life of your weapon system at a fraction of the cost to replace the damaged or depreciated instrument.

Seiler is a company founded by innovation. Seiler’s optical component, coating, filter and system technology is unparalleled. Our customers are provided with the most personal service, best value, and quality that the industry has to offer. These qualities are what made Seiler the manufacturer of choice for the Mars Lander stereo camera optics, allowing the world to see incredible views of the surface of a planet 49 million miles away.

Our understanding of optics, opto-mechanical assemblies and thin film coatings dates to 1963 when Broomer Research, a core component of our business, first started production. Precision coatings are available from UV to Far Infrared, using non-radioactive materials that can be applied to almost any substrate. Broad band anti-reflective and conductive coatings and metalizing are all part of our capabilities. Seiler will meet all of your optical requirements, whether they are Scientific, Commercial, or Mil-qualified. The mission of the U.S. Military is “Own the Night, Own the Fight”. Our electro-optical systems allow you to do just that. Seiler specializes in providing armored vehicles with the ability to see first and act, in any condition. For those critical night operations, Seiler has systems such as the AN/VVS-2 Drivers Viewer, M36E-Series Gunner’s Sighting System and our most recent development, the M36T1 Thermal Fire Control System with optional eye safe laser range finder. Our extensive technical expertise has led to the development of economical and unique upgrades to extend the life of fielded fire control systems. Seiler has a wide variety of day periscopes including the M17, M27, M37 and M45. Night and day, Seilers’s optical systems are your solution.

Seiler’s mission is to be the leading producer of precision optical components, unique coatings and filters for Defense, Medical and Industrial applications as well as Armored Vehicle sighting systems, with integrity and to maintain the strongest client focused environment possible.