Sky-Watcher BK 709EQ1
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| Weight: | 7.7 kg |
| Brand: | Sky-Watcher |
| Equipment: | Telescope tube 140x70, eyepiece 25 mm, 10 mm, Barlow lens 2x, diagonal mirror 90°, optical finder scope 6x24, equatorial mount EQ1, aluminum tripod, tripod |
| Description: | Refractor |
| Type: | Refractor |
| Installation: | Floor |
| Lens diameter: | 70 mm |
| Resolution: | 1.63 ar seconds |
| Lens focal length: | 900 mm |
| Pipe length: | 910 mm |
| Pipe diameter: | 80 mm |
| Tripod height: | 710-1230 mm |
| Seeker: | Optical 6x24 |
| Tripod material: | Aluminum |
| Mount: | Equatorial EQ1 |
| Number of eyepieces included: | 2 |
| Max. useful magnification: | 140x |
| Max. magnification with included eyepiece: | 180x |
| Optical design: | Achromat |
| Relative hole: | 1:12.9 |
| Eyepiece bore diameter: | 1.25 in. |
| Penetrating power magnitude: | 11.7 |
| AR coating: | Multilayer |
| Barlow lens magnification: | 2x |