SkyWatcher 120/900 Black Diamond ED Doublet Refractor OTA Telescope
SKU: SWBDED120-OTA
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SkyWatcher 120/900 Black Diamond ED Doublet Refractor OTA Telescope
SKU: SWBDED120-OTA
Pickups and Delivery
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Delivery estimates
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About this product
120/900 Evostar ED Doublet Refractor OTA
- Suitable for Astrophotography
- View Solar System in High Definition
- Metallic high-transmission Coatings
- Compact & Portable
- Comes with An Aluminium Case
- 5 Years Sky-Watcher Limited Warrant
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 Sky-Watcher 120/900 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 adjustment.
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-aluminium 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 ED80 are cast-aluminium, painted white.
In the Box:
- ED120 OTA
- 2″ Diagonal
- 1.25″ Focuser Adaptor
- 8×50 Finderscope with Bracket
- Eyepiece – 5mm, 20mm (May come with 1x LET28mm instead of 2x 1.25 eyepieces)
- Tube Ring Attachment to Any Sky-Watcher Mount
- Piggyback Bracket
| Optical Design | ED Refractor OTA |
| Model Number | SWBDED120-OTA |
| Aperture | 120mm |
| Focal Length | 900mm |
| Eyepieces | LET28mm |
| Focuser Diameter | 2″ |
| Finder Scope | 8 x 50mm |
| Diagonal | 2″ 90º Dielectric Diagonal |
| Highest Practical Power | 240x |
| Recommended Usage | For the Professional |
| Tube Dimensions | 10cm x 92cm |
| Shipping Weight | 14.5kg |
| Recommended Usage | Astrophotography, Viewing Galaxies/Stars/Nebulae |