Ads
related to: nexstar evolution 925 telescope accessories video
Search results
Results from the WOW.Com Content Network
Celestron was the first large scale commercial manufacturer of the Schmidt-Cassegrain telescope, introducing its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope in 1970. [7] The primary innovation Celestron/Tom Johnson devised was a method to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve ...
NGC 925 is a barred spiral galaxy located about 30 [4] million light-years away in the constellation Triangulum. German-British astronomer William Herschel discovered this galaxy on 13 September 1784. [6] The morphological classification of this galaxy is SB(s)d, [3] indicating that it has a bar structure and loosely wound spiral arms with no ...
Typical accessories for telescopic sights are: Lens hood is a tubular extension mounted on the objective and/or ocular ends to shade light and reduce/eliminate glare . The lens hood mounted on the eyepiece , often called an eyecup , is often made from corrugated silicone rubber for resting against the user's eye socket, and can also help avoid ...
Live broadcasting websites exist for sharing live video astronomy feeds. [4] [5] Video astronomy, combined with remote control of a telescope, allows anyone including disabled people to operate a telescope remotely, or observers in a light-polluted area to operate a telescope in another area, even another country.
The Meade Instruments (also shortened to Meade) was an American multinational company headquartered in Watsonville, California, that manufactured, imported and distributed telescopes, binoculars, spotting scopes, microscopes, CCD cameras, and telescope accessories for the consumer market. [2]
Orion Telescopes & Binoculars was an American retail company that sold telescopes, binoculars and accessories online and in-store for astronomy and birdwatching. It was founded in 1975 and had corporate offices in Watsonville, California. [1] A large proportion of its products were manufactured by the Chinese company Synta for the Orion brand ...
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] In 2009, it assisted OMI in the design of the OMI Evolution-30. [11]
The ads focused on the telescope's mechanical and optical design, educational value for children, ease of use, and adaptations as a spotting scope and telephoto lens. The Questar of the 1950s and early 1960s had a proprietary screw in eyepiece design and offered little capacity to employ third-party accessories.
Ads
related to: nexstar evolution 925 telescope accessories video