Ads
related to: sears telescopes on ebay for sale by owner
Search results
Results from the WOW.Com Content Network
When Edmund Scientific introduced the telescope in 1976 they called it "The Edmund Wide-Field Telescope" with a Part Number "2001" [5] Edmund had a public contest which ran until November 15, 1976, to come up with a name. [6] The winning name was "Astroscan 2001". The "2001" part of the name was dropped over time.
See duplex option below. This was first offered for sale in May 1956. A 3.5" Duplex, optically and mechanically identical to the Standard, but which included a simple way of detaching the telescope from the open fork mount to allow the optical tube assembly (OTA) to be used as a 1240 mm at f12 telephoto lens. This variant has been in production ...
This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.
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 ...
Optical Mechanics, Inc. or OMI is a high-end American telescope and optics instrument manufacturer. OMI was founded in 2002 and produces observatory telescopes, Lidar telescopes, optical tube assemblies, telescope mirrors and reflective coatings for mirrors. OMI mirrors are used by other telescope makers such as Obsession Telescopes. [1]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
A tower viewer [citation needed] is a telescope or pair of binoculars permanently mounted on a stalk. The device magnifies objects seen through its lenses, allowing users to see farther and more clearly than they could with the naked eye or with less powerful viewing devices.
Everyone loves a guitar hero. And young talents who seem to have arrived fully formed, too. So there’s a lot of love in the room for Grace Bowers, the 18-year-old who this year became the ...
Ads
related to: sears telescopes on ebay for sale by owner