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SkyWatcher EvoStar 100 / ProED 100


The SkyWatcher S11120 features a doublet apochromatic lens system with Extra-low Dispersion (ED) glass and Sky-Watcher's proprietary photon anti-rejection Metallic High-Transmission Coatings (MHC) on all air-to-glass optical surfaces. This combination of glass, lenses, and coatings virtually eliminates chromatic aberrations for clear and bright high-contrast images with true color rendition. 

This is a versatile optical tube assembly (OTA) that is well suited for wide-field astronomical observation of prominent nebulae, star clusters and galaxies, or can be used as an astrograph for sky photography, a terrestrial spotting scope or telephoto lens. The aperture of this 100mm model of the ProED not only increases image brightness over the smaller 80mm version, it improves resolution and contrast. 

ProED 100 Features:

  • 3.9 Inch Aperture (100mm)
  • 2" Dielectric Diagonal
  • 236x Maximum Magnification
  • Focal Length: 900mm, f/9 Focal Ratio
  • 8x50 Finderscope
  • Cradle-Ring with Vixen-style Dovetail
  • 2" Crayford Focuser with 1.25" Adapter
  • Proprietary MHC Multicoated Optics
  • Schott BK-7 & FPL-53 ED Glass
  • 20 mm & 5 mm 1.25" Eyepieces

Specifications:

Telescope Series:SkyWatcher Pro ED APOTelescope Optical Design:RefractorRefractor Design:Apochromat (APO)Number of Refractor Elements:2Telescope Aperture:3.9"Telescope Focal Ratio:f/9Telescope Focal Length (mm):900Optical Coatings:Metallic High- Transmission CoatingsLimiting Stellar Magnitude:12.5Lowest Useful Magnification:14xHighest Useful Magnification:236xLight-Gathering Power Compared to Human Eye:204xDiagonal:2" Star DiagonalTelescope Eyepiece(s):2 Eyepieces IncludedFinderscope:8 x 50Focuser Style:Crayford/Crayford StyleFocuser Size:2"Focuser Speed

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Filed under: High-End Telescope Auctions (USA)