Description
This bundle includes a Sky-Watcher Classic 250P 10" Dobsonian S11620 with Svbony 2X Barlow and Celestron Smartphone Holder (Save $56!)
The Sky-Watcher Classic Dobsonian Telescope 254mm/1200mm (10") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. In addition, this model include a 2" focuser with a 1.25" adapter, allowing the use of either eyepiece size. This model also include the new feature-tension control handle.
What's in the Box
- Sky-Watcher 10" Traditional Dobsonian Reflector Telescope
- Solid Dobsonian Rocker Mount
- 2" Crayford-Style Focuser with 1.25" Adapter
- 25 mm 1.25" Kellner Eyepiece
- 10 mm 1.25" Kellner Eyepiece
- 9x50 Finderscope
- Svbony W9106B 2X Barlow Lens
- Celestron Bluetooth Basic Smartphone Holder
Specifications
| SKU | S11620 |
| UPC | 050234116206 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 254 |
| F/Ratio | 4.7 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 64mm |
| Secondary Obstruction (by diameter) | 25% |
| Secondary Obstruction by Area | 6% |
| Observational Info | |
| Dawes Limit | 0.46 |
| Rayleigh Limit | 0.55 |
| Limiting Mag. | 14.5 |
| Minimum Magnification | 36 |
| Maximum Magnification | 500 |
| Light Gathering (compared to next size down) | 57% |
| General Info | |
| Focuser | 2" Crayford |
| OTA Length (Retract/Ext.) | 45" |
| OTA Outer Diameter | 11.375" (289mm) |
| OTA Weight (with accessories) | 28 |
| Dob Base Weight | 25 |
| Dob Base Measurements | 29"x20.5" |
| Zenith Eyepiece Height | 48" |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25mm and 10mm Super (modified Kellner) eyepieces |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
| Shipping Weights & Dimensions | |