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50mm Compact Refractor Telescope Assembly Guide : 50mm Compact Refractor Telescope INTRODUCTION Congratulations! You have bought a wonderful telescope. This is a precision optical instrument, and you have many wonderful evenings of observing the night sky ahead of you. This guide is meant to help you assemble your telescope proper ...
50mm Compact Refractor Telescope, 3
Astro-Tech AT80ED astr o-tech AT80EDfrom Astronomy TechnologiesThank you for choosing this Astro-Tech AT80ED high-performance ED refractor.The images from its fully-multicoated ED (Extra-lowDispersion glass element) air-spaced doublet optics arevirtually free of the annoying violet haloes of chromaticaberration (spur ...
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BT81S-A .BT81S-A Shown with the Fork Mount, Tripod and other Optional Accesso r i es availa ble sep aratel yInstruction Manual for BT81S-A Binocular TelescopeWARNING!SPECIFICATIONSCOMPONENTSBT81S-A Shown with the Fork Mount,Tripod and other Optional Accessories available separatelyNever look directly at ...
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