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Kellner eyepieces
Plossl eyepieces
ED eyepieces
8 Element
Eyepiece Kits
Barlow lenses
Erecting eyepieces
Filters
Binoviewers
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Lenses & Filters
Additional lenses and filters enhance your astronomical viewing experience.
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Kellner eyepieces
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Invented by Carl Kellner (1826-1855) in 1850. A Kellner eyepiece consists of three elements:an achromatic eye lens spaced apart from a simple (usually planoconvex) field lens. Kellner eyepieces are ...
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Plossl eyepieces
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Invented by Georg Simon Plossl (1794-1868), this orthoscopic eyepiece consists of four elements, in the form of two achromatic, doublet lenses. The two doublets are disposed with their most-curved sur ...
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ED eyepieces
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A 6 element fully multicoated optical design with Extra-Low Dispersion (ED) glass to minimize chromatic aberration. These eyepieces have long eye relief (great for eyeglass wearers) with rubber eye cu ...
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8 Element
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Super wide angle eyepieces with removable 20mm rubber long eye relief
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Eyepiece Kits
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Complete kids of a range of eyepieces give you the advantage to always get the best possible view...
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Barlow lenses
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A barlow lenses is placed in front of the eyepiece and is used to increase the magnification of the eyepiece and in some instances to provide greating viewing comfort when extremely small focal ratio ...
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Erecting eyepieces
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Erecting eyepieces and erect image prisms are used to correct the orientation of a telescope image.
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Filters
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Moon and planet filters are used to cut down glare and to provide for greater contrast and therefore increased details.