Sky-Watcher BK 909EQ3-2
Rating: the Newtonian reflector, the lens 90 mm, f. the distance 900 mm, relative. hole 1/10, Equatorial mount (EQ), the eyepieces 10 mm/25 mm |
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Main (Sky-Watcher BK 909EQ3-2) | |
Type (optical layout) | reflector Newton |
Lens diameter (aperture) | 90 mm |
Enlightenment optics | standard |
Focal length | 900 mm |
Relative aperture | 1/10 |
Magnitude limit | 12.5 m |
The maximum useful magnification | 180 X |
Type mount | Equatorial (EQ) |
Eyepieces and tips (Sky-Watcher BK 909EQ3-2) | |
The number of eyepieces included | 2 |
The diameter of the eyepiece | 1.25" |
The focal length eyepieces | 10 mm, 25 mm |
Optical zoom | 36x, 90x |
A relay lens | |
A relay mirror | |
Inverting prism | 90° |
The optical finder | |
Finder pole | |
The crowbar (Sky-Watcher BK 909EQ3-2) | |
Computerized mount | |
Automatic binding to the sky | |
Computer control | |
GPS | |
Clockwork | |
Adjusting the ride | |
The mechanism for fine tuning | |
Coordinate circles | |
Tripod | steel |
Dimensions and weight (Sky-Watcher BK 909EQ3-2) | |
The length of the optical pipe | 870 mm |
Tripod height | 71 — 123 sm |
Weight | 2.5 kg |
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