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Dobson GSO Deluxe
New product
3 Items
Optics |
|
Type | Reflector |
Type of build | Newton |
Aperture (mm) | 250 |
Focal length (mm) | 1250 |
Aperture ratio (f/) | 5 |
Resolving capacity | 0,46 |
Limit value (mag) | 13,8 |
Light gathering capacity | 1280 |
Max. useful magnification | 500 |
Tube construction | Full tube |
Tube weight (kg) | 15,5 |
Tube length (mm) | 1210 |
Reflector |
|
Ventilation for central mirror | yes |
Primary mirror - Material | BK7 |
Main mirror´s construction | parabolic |
Secondary mirror obstruction | 25 |
reflectivity | 94 |
Adjustable | yes |
Focuser |
|
Type of build | Crayford |
Connection ( to eyepiece) | 2 |
Gear reduction | 1:10 Fine movement |
Mount |
|
Type of build | Dobson |
Mounting type | Dobson |
GoTo control | no |
Tracking | no |
Tripod |
|
Material | Wood |
Type | Rockerbox |
Included accessories |
|
1.25'' eyepieces | 9mm |
Finder scope | 8x50 |
Eyepiece adaptor | 1,25" - 2" |
2'' eyepieces | 30mm |
Area of application |
|
Moon & Planets | yes |
Nebulae & galaxies | yes |
Nature Observation | no |
Astrophotography | not recommended |
Sun | not recommended (Only with appropriate Sun filter) |
recommended for |
|
Beginners | yes |
Advanced | yes |
Observatories | no |