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Skywatcher Dobson N 150/750 Heritage FlexTube DOB
With a 150mm parabolic mirror and collapsible tube, Skywatcher Dobson N 150/750 Heritage FlexTube DOB combines 750mm focal length, f/5 optics, a tabletop Dobsonian base, red dot finder, and two included eyepieces.
- 150mm parabolic Newtonian reflector
- 750mm focal length, f/5.0 optics
- Collapsible FlexTube optical design
- Includes tabletop base, finder, eyepieces
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Description
Perform high-aperture tabletop visual astronomy and rich-field deep-sky sweeping with the Skywatcher Dobson N 150/750 Heritage FlexTube DOB portable telescope system. Designed with a fast f/5.0 focal ratio, this 150mm (5.91 in) aperture instrument features a 750mm focal length, delivering 0.77 arcseconds Dawes resolving power and reaching magnitude 13.6 for bright planetary and lunar observation.
The Skywatcher Dobson N 150/750 Heritage FlexTube DOB features a parabolic primary mirror crafted from borosilicate optical glass, coated with 94% reflective aluminum and a protective silicon dioxide (SiO2) overcoat. Its collapsible truss-tube assembly retracts down to 405mm for effortless transport. Mounted onto a manual wooden tabletop Dobsonian base with an integrated carrying handle, the 3.70 kg (8.16 lbs) OTA provides instant grab-and-go observing from patios, camping tables, and dark-sky sites.
Key Features of Skywatcher Dobson N 150/750 Heritage FlexTube DOB
Engineered for ultra-portable deep-sky exploration and tabletop lunar viewing, this 150mm Sky-Watcher Heritage FlexTube Dobsonian combines a fast parabolic mirror with an innovative collapsible truss design. Its 6-inch aperture and included eyepieces deliver bright, wide-field views across open clusters and nebulae.
- 150mm (5.91 in) aperture with 750mm focal length and fast f/5.0 optical speed
- Precision parabolic primary mirror crafted from borosilicate optical glass
- 94% reflective aluminum optical coatings with protective silicon dioxide overcoat
- Collapsible FlexTube truss system extending from 405mm to 690mm length
- 1.25-inch helical thread focuser for smooth visual focus adjustments
- Tabletop manual alt-azimuth wooden Dobsonian base with integrated carrying handle
- Integrated Vixen-style dovetail bar for flexible mount attachment
- Red dot finder and Super 25mm and 10mm eyepieces included
Parabolic Borosilicate Optics & Collapsible Truss Design
The 150mm parabolic primary mirror focuses incoming light to a precise point without spherical aberration, delivering bright views of open clusters and nebulae. Its collapsible truss mechanism extends instantly without requiring re-assembly, supporting visual magnifications from 21.4x up to 300x.
Tabletop Alt-Azimuth Base & Grab-and-Go Portability
Spontaneous backyard stargazing requires a simple, lightweight mechanical platform. The Heritage 150P features a smooth-swiveling tabletop wooden Dobsonian base equipped with an integrated carrying handle for effortless transport. Weighing under four kilograms for the optical tube, it sets up instantly 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 scope
Sky-Watcher Heritage FlexTube Warranty
The Skywatcher Dobson N 150/750 Heritage FlexTube DOB is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the collapsible 150mm FlexTube optical tube assembly, tabletop wooden Dobsonian base with carrying handle, red dot finder, and Super 25mm and 10mm eyepieces.
Sky-Watcher Dobson N 150/750 Heritage FlexTube DOB Specs
| Parameter | Specification |
|---|---|
| Brand | Sky-Watcher |
| Full Model Code / SKU / MPN | 20316 (SK-HERITAGE-150P) |
| Country of Origin | China |
| Series / Product Line | Heritage FlexTube Series |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror, Collapsible Truss-Tube) |
| Clear Aperture | 150 mm (5.91 in) |
| Focal Length | 750 mm |
| Focal Ratio | f/5.0 |
| Optical Coatings / Substrate Treatment | Aluminized with Silicon Dioxide (SiO2) Protective Overcoat (94% Reflectivity) |
| Central Obstruction | 31% by diameter / 9.6% by area (47 mm secondary mirror minor axis) |
| 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 (Visual Focus Standard) |
| Diffraction-Limited Theoretical Resolving Power | 0.77 arcseconds |
| Limiting Visual Stellar Magnitude | 13.6 mag |
| Highest Useful Magnification | 300x |
| Lowest Practical Magnification | 21.4x |
| Focuser Architecture & Reduction Ratio | 1.25-inch Helical Thread Focuser |
| Optical Tube Assembly (OTA) Dry Weight | 3.70 kg (8.16 lbs) |
| OTA Physical Dimensions | 405 mm collapsed / 690 mm extended length, 180 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 | High-Aperture Ultra-Portable Tabletop Visual Astronomy, Rich-Field Deep-Sky Sweeping, Lunar and Bright Planetary Observation |
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