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- 6” (152 mm) Dobsonian-style Newtonian
- 1200 mm focal length (f/8)
- 2” single-speed rack-and-pinion focuser with 1.25” adaptor
- Super 25 & 10mm 1.25” eyepieces
- 6×30 finderscope
- Solid rocker-mount with Teflon bearings and tension clutch for altitude
- Teflon bearing for azimuth
The Sky-Watcher Traditional 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
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 |
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