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Department store 50 mm Tasco Specialty Refractor on modified mount (lower left) and a 114mm Sky-Watcher reflector. Tasco's telescopes have a reputation as entry-level equipment. [2] [3] It is one of several companies advertising their products based on claims of high magnification, far beyond any attainable usable magnification. [2]
Sky-Watcher 114 mm EQ1 reflector (upper right) with Tasco refractor. Sky-Watcher is a commercial distribution company established in 1999 by the Synta Technology Corporation of Taiwan (Synta Taiwan). It markets telescopes and astronomy equipment, such as mounts and eyepieces, aimed at the amateur astronomy market.
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 ...
Tasco is a major international distributor of telescopes. The company's line of products mainly target amateur astronomers but has grown to include many products besides telescopes. Tasco's other products include terrestrial spotting scopes, microscopes, binoculars, and telescopic sights and other rifle accessories. Tasco sells through ...
A telescopic sight can have several manual adjustment controls in the form of control knobs or coaxial rings. Diopter adjustment (also called the ocular focus) on the eyepiece — meant to obtain a sharp picture of the target object and reticle. Elevation control – meant to adjust (or "track") the vertical deviation of the optical axis ...
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View through Tasco ProPoint red dot sight (model PDP2ST) on a Ruger 10/22. Made in Japan for Tasco, the ProPoint 2 was one of the first red dot sight models to become widely popular. A red dot sight is a common classification [1] for a non-magnifying reflector (or reflex) sight that
A 6-inch (15 cm) Newtonian reflector built by a school student on display at Stellafane Although the types of telescopes that amateurs build vary widely, including Refractors, Schmidt–Cassegrains and Maksutovs, the most popular telescope design is the Newtonian reflector, [3] described by Russell W. Porter as "The Poor Man's Telescope".