The Sky-Watcher 100/900 Evostar ED Doublet Refractor OTA features:

• Ideal for Planetary observation
• Suitable for Astrophotography
• Metallic High-Transmission Coatings
• Compact & Portable
• Comes with an Aluminium Case
• 5 Years Sky-Watcher Limited Warranty

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 dual speed 2″ Crayford Focuser is mechanically ultra-smooth and backlash-free, offers you a fine and ultra-fine focusing adjustments.

Tube Materials

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.