Product Overview
The Sky-Watcher Classic Dobsonian Telescope 153mm/1200mm (6") 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 models include a 2" focuser with a 1.25" adapter, allowing the use of either eyepiece size. This models also include the new feature-tension control handle.
Specifications
| SKU | S11600 |
| UPC | 050234116008 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 152 |
| F/Ratio | 7.9 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 34mm |
| Secondary Obstruction (by diameter) | 16% |
| Secondary Obstruction by Area | 3% |
| Observational Info | |
| Dawes Limit | 0.77 |
| Rayleigh Limit | 0.93 |
| Limiting Mag. | 13.4 |
| Minimum Magnification | 21 |
| Maximum Magnification | 295 |
| Light Gathering (compared to next size down) | 40% |
| General Info | |
| Focuser | 2" R&P |
| OTA Length (Retract/Ext.) | 44.5" |
| OTA Outer Diameter | 7.125" |
| OTA Weight (with accessories) | 15 |
| Dob Base Weight | 25 |
| Dob Base Measurements | 29"x20.5" |
| Zenith Eyepiece Height | 45" |
| Accessories | |
| Included Finder | 6x30 Finder |
| Included Diagonal | No |
| Included Eyepieces | 25/10 Super (modified Kellner) |
| Magnification w/ Included Eyepieces | 48x/120x |
| Included Case | No |
| Corrector | No |
