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Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo
Computerized deep-sky observing is the focus of Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo, pairing a 305mm parabolic mirror with 1500mm focal length, f/4.9 optics, SynScan control, dual encoders, motorized base, finder, and eyepieces.
- 305mm parabolic Newtonian reflector
- 1500mm focal length, f/4.9 optics
- Collapsible FlexTube optical design
- SynScan computerized GoTo base
- Includes hand controller and finder
In Stock
Description
Visual astronomers requiring automated target acquisition on a massive 12-inch aperture without transporting a rigid solid tube rely on the Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo computerized telescope. Built with a 305mm (12.01 in) aperture and 1500mm focal length at f/4.9, it delivers 0.38 arcseconds Dawes resolving power and reaches magnitude 15.1.
The Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo incorporates a 12-inch parabolic primary mirror crafted from low-expansion borosilicate optical glass with 94% reflective aluminum coatings. Its collapsible truss-tube assembly retracts to 920mm for transport. Mounted on a computerized SynScan GoTo Dobsonian base with DC servo motors and Freedom-Find dual encoders, the 21.00 kg (46.30 lbs) OTA ensures automated celestial tracking and planetary video imaging.
Key Features of Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo
Engineered for high-power computerized deep-sky exploration and high-resolution planetary video tracking, this 12-inch Sky-Watcher FlexTube GoTo Dobsonian pairs parabolic optics with automated SynScan navigation. Its Freedom-Find dual encoders and 2-inch dual-speed Crayford focuser ensure precise optical pointing and focusing.
- 305mm (12.01 in) aperture with 1500mm focal length and fast f/4.9 optical speed
- Precision parabolic primary mirror made from low-expansion borosilicate glass
- 94% reflective aluminum optical coatings with protective silicon dioxide layer
- 23% secondary mirror obstruction by diameter (70mm minor axis, 5.3% by area)
- Collapsible FlexTube truss system retracting to 920mm for easy transport
- SynScan computerized alt-azimuth GoTo Dobsonian base with DC servo motors
- Freedom-Find dual-encoder technology allowing manual panning without lost alignment
- 2-inch dual-speed Crayford focuser 1:10 with step-down 1.25-inch adapter included
12-Inch Parabolic Optics & Automated Celestial Tracking
The 305mm parabolic primary mirror captures massive photon volume, resolving fine galactic structures and faint nebular gas clouds. Powered by DC servo motors and SynScan GoTo tracking, this motorized Sky-Watcher Dobsonian supports visual magnifications from 43.6x up to 610x.
SynScan Motorized Base & Freedom-Find Encoders
Automated tracking precision makes exploring faint deep-space targets effortless. The Skyliner 300P FlexTube GoTo features a motorized base with a SynScan controller containing a 42,000+ object database. Its Freedom-Find dual encoders allow observers to manually reposition the telescope at any time without resetting computerized alignment settings.
- Computerized SynScan GoTo tracking base equipped with quiet DC servo motors
- Freedom-Find auxiliary dual encoders allowing manual repositioning without lost alignment
- Heavy-duty side altitude mounting trunnions with integrated motorized clutches
Sky-Watcher SynScan GoTo Series Warranty
The Skywatcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the collapsible 305mm FlexTube OTA, motorized SynScan base, SynScan hand controller, 12V power cable, 9×50 finderscope, and Super 25mm and 10mm eyepieces.
Sky-Watcher Dobson N 305/1500 Skyliner FlexTube BD DOB GoTo Specs
| Parameter | Specification |
|---|---|
| Brand | Sky-Watcher |
| Full Model Code / SKU / MPN | 10226 (SK-DOB-12-GOTO) |
| Country of Origin | China |
| Series / Product Line | Skyliner FlexTube / SynScan GoTo Series |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror, Collapsible Truss-Tube Architecture) |
| Clear Aperture | 305 mm (12.01 in) |
| Focal Length | 1500 mm |
| Focal Ratio | f/4.9 |
| Optical Coatings / Substrate Treatment | Aluminized with Silicon Dioxide (SiO2) Protective Overcoat (94% Reflectivity) |
| Central Obstruction | 23% by diameter / 5.3% by area (70 mm secondary mirror minor axis) |
| Glass Substrate / ED Element Spec | Borosilicate Optical Glass (Low Thermal Expansion Parabolic Substrate) |
| Corrected Image Circle / Sensor Coverage | 28 mm (Visual Field) |
| Standard Back Focus / Flange Focal Distance | Not Disclosed by Manufacturer (Standard Visual Configuration) |
| Diffraction-Limited Theoretical Resolving Power | 0.38 arcseconds |
| Limiting Visual Stellar Magnitude | 15.1 mag |
| Highest Useful Magnification | 610x |
| Lowest Practical Magnification | 43.6x |
| Focuser Architecture & Reduction Ratio | 2-inch Dual-Speed Crayford Focuser 1:10 with 1.25-inch Adapter |
| Optical Tube Assembly (OTA) Dry Weight | 21.00 kg (46.30 lbs) |
| OTA Physical Dimensions | 920 mm collapsed / 1400 mm extended length, 360 mm tube diameter |
| Included Mechanical Mounting Interface | Heavy-Duty Side Altitude Mounting Trunnions with Integrated Motor Clutches |
| Mount & Drive Type Included | SynScan Computerized Alt-Azimuth GoTo Dobsonian Base with Freedom-Find Dual Encoders and DC Servo Motors |
| Verified Factory In-Box Inclusions | Collapsible FlexTube OTA, Motorized SynScan Base, SynScan Hand Controller, 12V Power Cable, 9x50 Optical Finderscope, Super 25mm and 10mm Eyepieces |
| Factory Warranty Coverage | 2-Year Limited Warranty |
| Primary Optical Application & Astronomical Target Profile | High-Power Computerized Deep-Sky Exploration, Planetary Video Imaging, High-Resolution Automated Celestial Tracking |
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