Sky-Watcher Dob 18" (458/1900) Truss Tube
Newton's reflector, lens diameter (aperture): 458 mm, focal distance: 1900 mm, Relative hole: 1/4 :1
Newton's reflector, lens diameter (aperture): 458 mm, focal distance: 1900 mm, Relative hole: 1/4 :1
Main Characteristics |
|
Types of Telescopes |
reflectors |
Lens diameter (aperture) |
458 mm |
Focal Distances |
1,900 mm |
Relative openings |
4 :1 |
Illumination of optics |
multilayered |
Type of mounting |
Dobson |
Colors |
black |
Functions and features |
|
Number of eyeglasses in the kit |
1 |
Planting diameter of the eyepiece |
2 " |
Focal distances of eyeglasses |
28 mm |
Optical searcher |
|
Computerized mounting |
|
Automatic Attachment to the Sky |
|
Computer-based control |
|
GPS |
|
Clockwork mechanism |
|