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They designated this series as Ultra Compact (UC), referring to their former one as 'Classic.' From 2009-2012 their telescopes ranged from USD 3000 for a 12.5 inch telescope, up to USD 12–15,000 for a 25-inch telescope. [8] [9] The company manufactured a limited number of 30-inch and 36-inch telescopes. [10]
The 24-inch (610 mm) Dobsonian telescope brought by the Sidewalk Astronomers was unconventional, because most telescopes at such meetings tended to be smaller, on equatorial mounts, and designed for astrophotography rather than optical viewing. Surprisingly (and controversially at the time) Dobson's telescope tied in first prize for best optics.
OMI developed the 30-inch mirror for Obsession Telescopes's 30-inch reflector [12] When Obsession withdrew from the 30-inch market, OMI still wanted to offer their 30-inch mirrors. [13] Drawing on help from Obsession Telescopes and their own experience with the OMI 48-inch telescope, they offered the OMI Evolution-30 in 2009. [13]
A Dobsonian telescope on display at Stellafane in the early 1980s. A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers. Dobson's telescopes featured a simplified mechanical design that was easy to ...
The Dual speed focuser is a focusing mechanism used in precision optics such as advanced amateur astronomical telescopes and laboratory microscopes. A dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and another for fine focusing when the film or CCD is near the perfect focal plane.
In 1999, the Sky-Watcher brand was established to sell Synta Taiwan's optics, with head offices in Richmond, British Columbia, Canada.They began producing Dobsonian telescopes in 2000, followed by Maksutov–Cassegrains in 2001, and Apochromat ED-APO refracting telescopes in 2004.