The legend of Tele Vue began way before the company was formed in 1979. During his days at NASA as a professional optical designer, Al Nagler, now one of the undisputed heroes of the amateur astronomy market, worked on designing lunar landing simulators. He loved the "seemingly endless vista" the simulators provided for the astronauts, and he wanted to offer that same kind of feeling to amateur astronomers as well. This experience was a touchstone for Al throughout his career, and can be seen clearly in his ground-breaking 82° Nagler eyepieces, first released to the public in 1980, and it continues to be seen in one of Tele Vue's latest creations…the 100° Ethos eyepiece.
Tele Vue eyepieces and telescopes are wonders to behold as well. From the Renaissance in 1984 to the imaging system telescopes (NP-101is, NP-127is, and TV-102iis) in 2006, Tele Vue has continued to create portable, high quality refractors with optics that are second to none.Tele Vue accessories that have continued to be popular year after year, including their beautiful Everbrite diagonals, the Starbeam, the Sol-Searcher (a favorite of solar observers), the Bino Vue, Powermates, and a nice selection of mounts and tripods like the Gibraltar and Tele-Pod.
High Point is honored to be a Tele Vue dealer, together we want your Tele Vue experience to be "…even better than you imagined."
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Barlow lenses and Focal Extenders increase the effective magnification, or power, of any eyepiece with the same barrel size when they are used together with a telescope. However, not all Barlows increase magnification by the same factor (X). For instance, if you have an eyepiece that achieves 100X power in your telescope, using that same eyepiece (and telescope) with a 2X Barlow will double that magnification (200X). If you choose a 3X Barlow, it will triple the magnification (300X).
Since Barlow lenses, like eyepieces, slide into a focuser or adapter, it is important to match the size of the chrome barrel to the focuser or adapter you plan to use it in. Before you buy, check your telescope focuser's size. If you're lucky enough to have a 2" focuser with a 2" to 1.25" adapter, you can choose either barrel size, although unless you have some 2" eyepieces, you may want to go with the more economical 1.25" Barlow.