Skywatcher Dobson N 130/650 Heritage FlexTube DOB
Collapsible truss-tube construction defines Skywatcher Dobson N 130/650 Heritage FlexTube DOB, pairing a 130mm parabolic Newtonian mirror with 650mm focal length, f/5 optics, tabletop Dobsonian mounting, red dot finder, and eyepieces.
- 130mm parabolic Newtonian reflector
- 650mm focal length, f/5.0 optics
- Collapsible FlexTube optical design
- Tabletop manual Dobsonian base
- Includes finder and two eyepieces
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Description
Backyard stargazers seeking ultra-portable deep-sky exploration on a budget rely on the Skywatcher Dobson N 130/650 Heritage FlexTube DOB tabletop parabolic Newtonian telescope system. Designed with a fast f/5.0 focal ratio, this 130mm (5.12 in) aperture instrument features a 650mm focal length, delivering 0.89 arcseconds Dawes resolving power and reaching magnitude 13.3.
The Skywatcher Dobson N 130/650 Heritage FlexTube DOB features a parabolic primary mirror made from borosilicate optical glass, coated with 94% reflective aluminum and a protective silicon dioxide (SiO2) layer. Its innovative collapsible truss-tube design collapses down to 370mm for effortless storage. Mounted on a wooden tabletop alt-azimuth Dobsonian base with a carrying handle, the 3.20 kg (7.05 lbs) OTA provides instant grab-and-go observing.
Key Features of Skywatcher Dobson N 130/650 Heritage FlexTube DOB
Engineered for ultra-portable deep-sky exploration and tabletop lunar observation, this 130mm Sky-Watcher Heritage FlexTube Dobsonian combines a parabolic mirror with a collapsible truss design. Its compact footprint and included eyepieces provide bright, wide-field views across open clusters and nebulae.
- 130mm (5.12 in) aperture with 650mm focal length and fast f/5.0 optical speed
- Precision parabolic primary mirror crafted from borosilicate optical glass
- 94% reflective aluminum coatings with protective silicon dioxide (SiO2) overcoat
- 26% central obstruction by diameter (6.8% by area) for high visual contrast
- Collapsible FlexTube truss system extending from 370mm to 640mm length
- 1.25-inch helical thread focuser for smooth visual focus adjustments
- Tabletop manual alt-azimuth wooden Dobsonian base with integrated carrying handle
- Red dot finder, Vixen dovetail bar, and Super 25mm and 10mm eyepieces included
Parabolic Borosilicate Optics & Collapsible Truss Design
The 130mm parabolic primary mirror focuses light rays accurately without spherical aberration, delivering bright views of open clusters and nebulae. Its collapsible truss mechanism extends instantly without requiring disassembly, supporting visual magnifications from 18.6x up to 260x.
Tabletop Alt-Azimuth Base & Grab-and-Go Portability
Spontaneous backyard stargazing requires a simple, lightweight setup. The Heritage 130P features a smooth-swiveling tabletop wooden Dobsonian base equipped with an integrated carrying handle for easy transport. Weighing just over three kilograms, it sets up effortlessly on patio tables, benches, or vehicle hoods for quick observing sessions.
- Tabletop wooden Dobsonian base with smooth manual altitude and azimuth rotation
- Integrated carrying handle and Vixen-style dovetail bar for rapid setup
- Included Super 25mm and 10mm eyepieces paired with a red dot finder
Sky-Watcher Heritage FlexTube Warranty
The Skywatcher Dobson N 130/650 Heritage FlexTube DOB is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the collapsible FlexTube optical tube assembly, tabletop wooden Dobsonian base with carrying handle, red dot finder, and Super 25mm and 10mm eyepieces.
Sky-Watcher Dobson N 130/650 Heritage FlexTube DOB Specs
| Parameter | Specification |
|---|---|
| Brand | Sky-Watcher |
| Full Model Code / SKU / MPN | 20300 (SK-HERITAGE-130P) |
| Country of Origin | China |
| Series / Product Line | Heritage FlexTube Series |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror, Collapsible Truss-Tube) |
| Clear Aperture | 130 mm (5.12 in) |
| Focal Length | 650 mm |
| Focal Ratio | f/5.0 |
| Optical Coatings / Substrate Treatment | Aluminized with Silicon Dioxide (SiO2) Protective Overcoat (94% Reflectivity) |
| Central Obstruction | 26% by diameter / 6.8% by area |
| Glass Substrate / ED Element Spec | Borosilicate Optical Glass (Parabolic Figure) |
| Corrected Image Circle / Sensor Coverage | 28 mm (Visual Field) |
| Standard Back Focus / Flange Focal Distance | Not Disclosed by Manufacturer (Optimized for Visual Eyepieces) |
| Diffraction-Limited Theoretical Resolving Power | 0.89 arcseconds |
| Limiting Visual Stellar Magnitude | 13.3 mag |
| Highest Useful Magnification | 260x |
| Lowest Practical Magnification | 18.6x |
| Focuser Architecture & Reduction Ratio | 1.25-inch Helical Thread Focuser |
| Optical Tube Assembly (OTA) Dry Weight | 3.20 kg (7.05 lbs) |
| OTA Physical Dimensions | 370 mm collapsed / 640 mm extended length, 160 mm tube diameter |
| Included Mechanical Mounting Interface | Integrated Vixen-style Dovetail Bar |
| Mount & Drive Type Included | Tabletop Manual Alt-Azimuth Wooden Dobsonian Base with Carrying Handle |
| Verified Factory In-Box Inclusions | Collapsible FlexTube OTA, Tabletop Dobsonian Base, Red Dot Finder, Super 25mm and 10mm Eyepieces |
| Factory Warranty Coverage | 2-Year Limited Warranty |
| Primary Optical Application & Astronomical Target Profile | Ultra-Portable Deep-Sky Exploration, Tabletop Moon and Planet Observation, Budget Backyard Visual Astronomy |


























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