Manufacturers
Links
North United Co., Ltd.
Chinese manufacturer of binoculars, telescopes, riflescopes, spotting scopes, night vision scopes, golf scopes.
NOVA Optical Systems
Optical company which manufactures telescope optics in a wide range of apertures for amateur and professional class telescopes. Site features the free Ultra-Trace telescope design program.
NPZ Optics State Corp.
Novosibirsk Instrument-making Plant is one of the leading Russian manufacturers of high quality optical equipment for law enforcement and civilian use, such as day/night vision sights, powerful binoculars and astronomical telescopes.
Oberwerk Corporation
Produces a variety of binocular designs for both terrestrial and astronomical applications.
ObservatoryScope Robotic Telescopes
http://www.observatoryscope.com/
Observatory class Folded Newtonian and Ritchey-Chretien telescope systems which use hybrid band-worm drives. Also manufactures LIDAR systems, tracking platforms and custom designed drive retrofits for existing telescopes.
Obsession Telescopes
http://www.globaldialog.com/~obsessiontscp/OBHP.html
Manufacturer of Dobsonian telescopes ranging from 12-1/2" to 30" in aperture. Optional accessories include the ServoCAT servo drive system which may be combined with the Argo Navis digital setting circles.
Oldham Optical U.K.
http://www.oldham-optical.co.uk/
Offers telescope accessories including mirrors, lenses prisms, and calibration equipment to the professional and amateur market. Site features excellent treatises on optical testing and terms used by opticians to describe optical quality.
Omega Optical, Inc.
Designs and manufactures custom astronomy filters and prescription sets, for a wide variety of university programs, observatories, government agencies, and international consortia. Develops solutions for the spectral, optical, and environmental demands of each filter application.
Optec, Inc.
Photometers, telecompressors, electric Crayford style focusers, filter wheels and filters, and optical couplers for video microscopy.
Optic-Craft Machining
Offers a variety of complete German equatorial telescope mounts for telescopes up to 20" in aperture. Also manufactures precision clock drives featuring worm gears up to 24" in diameter.



