The Sky Watcher 100mm Evostar ED Doublet Refractor is a razor sharp telescope, the ultimate upgrade from your beginner model.
|Optical Design||ED Refractor OTA|
|Eyepiece||LET 28mm 2″|
|Finder Scope||8 x 50mm|
|Diagonal||2″ 90º Dielectric Diagaonal|
|Highest Practical Power||200x|
|Recommended Usage||For the Professional|
|Tube Dimensions||10cm x 92cm|
In the Box:
Metallic High-Transmission Lens Coatings (MHC)
Each air-to-glass lens surface has been coated by Sky-Watcher’s 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 100/900 Evostar ED Doublet OTA is 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 Evostar ED100 are cast-aluminium, painted white.