Sky-Watcher ProED 80mm Doublet APO Refractor Telescope
- Product Dimensions: 29 x 12 x 15 inches
- Item Weight: 22 pounds
- Shipping Weight: 22.1 pounds
- California residents: Click here for Proposition 65 warning
- Item model number: S11100
- 80 mm APO Refractor with ED Schott glass, 600 mm focal length (f/7.5), Dual-speed 2" Crayford-type focuser with 1.25" adaptor
- 20 mm and 5 mm 1.25, 8x50 RA viewfinder, 2" dielectric diagonal
- Tube-ring attachment hardware, Aluminum carry case
From the manufacturer Sky-Watcher ProED 80mm Doublet APO Refractor Telescope The Black Diamond 80 ED is a modestly wide-field telescope offering bright, wide swaths of sky in a single view. It is well suited for wide-field astronomical observation of prominent nebulae, star clusters, and galaxies from a dark-sky location, or can be used as an astrograph for sky photography. Read more Metallic High-Transmission Lens Coatings The Black Diamond 80 ED is a modestly wide-field telescope offering bright, wide swaths of sky in a single view. It is well suited for wide-field astronomical observation of prominent nebulae, star clusters, and galaxies from a dark-sky location, or can be used as an astrograph for sky photography. As a terrestrial spotting scope or telephoto lens, the Black Diamond 80 ED’s performance is absolutely superb. Ultra high contrast allows the subtlest of details to be easily scrutinized under conditions of good seeing. The petite silhouette of the Black Diamond 80 ED makes for an excellent compact, portable telescope that travels light and fits in a small space. At about 50-power structural detail becomes apparent in our solar system’s gas giants like Saturn and Jupiter. The Moon also exhibits striking crater detail along the lunar terminator. Read more Metallic High-Transmission Lens Coatings Each air-to-glass lens surface has exotic anti-reflection metallic coatings applied to ensure optimum light through-put of approaching 99.5%. The proprietary Sky-Watcher “Metallic High-Transmission Coatings” (MHC) are the finest photon anti-rejection coatings in their class. The optical tube material is rolled steel, powder-coated reflective gloss black with gold fleck accent. The front and back cells are cast-aluminum painted white, or black. Light-Baffled OpticalSystems The objective lens cell is light-baffled to reject stray, unfocused light. The draw tube is likewise baffled to insure optimum contrast. The tube interior is flat blackened to help prevent unfocused internal light reflections from reaching the focal plane. Optical focus is achieved by means of a mechanically ultra-smooth, backlash-free, precision 2” Dual Speed Crayford Focuser-assembly. This focuser offers fine and ultra-fine focusing adjustments. Read more
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Filed under: High-End Telescope Auctions (USA)