The Sky-Watcher 80/600 Black Diamond ED Doublet RefractorOTAis a refractor telescope that well designed for wide-field astronomical observation of prominent nebulae, star clusters, and galaxies from a dark-sky location. Come with focal ratio f/7.5, it can be used as an astrograph for sky photography or telephoto lens. The Ultra high contrast of this Sky-Watcher ED Refractor allows the subtlest of details to be easily scrutinized under conditions of good seeing.
Metallic High-Transmission Lens Coatings (MHC)
Each air-to-glass lens surface has been coated by Sky-Watchers proprietary MHC. An anti-reflection metallic coatings which ensure optimum light-transmission approaching 99.5%.
Light-Baffled Optical Systems
The objective lens cell of this 80/600 Black Diamond ED Doublet OTAis light-baffled to reduce stray & unfocused light to insure optimum contrast. The interior of the tube is flat blackened to prevent unfocused internal light reflections from reaching the focal plane.
Precision 2 Crayford Focuser
This precision 2 Crayford Focuser is mechanically ultra-smooth and backlash-free, offers you a fine and ultra-fine focusing adjustments.
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 & black.
Telescope Tube Attachment Hardware
The optical tube comes with attachment hardware that allows it to be securely fastened to any Sky-Watcher Mount. The quick-release tube rings provided with Black Diamond ED80 are cast-aluminum, painted white.
In the Box:
|Optical Design||ED Refractor OTA|
|Finder Scope||9x 50mm|
|Diagonal||2 90§ Dielectric Diagaonal|
|Highest Practical Power||160x|
|Recommended Usage||Advanced Users|
|Tube Dimensions||10cm x 62cm|
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