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Skywatcher Dobson N 150/750 Heritage FlexTube DOB Specs
| Brand | Sky-Watcher |
| Full Model Code | Sky-Watcher Heritage-150P FlexTube Portable Parabolic Newtonian Slideway Dobsonian Telescope |
| Country of Origin | China (Manufactured) |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 150 mm (5.91 inches) |
| Focal Length | 750 mm |
| Focal Ratio | f/5 |
| Optical Coatings | Aluminized Mirror Coating Surface Matrix with Protective Silicon Dioxide Overcoat Shield |
| Glass Material | Standard Borosilicate Glass Substrate with stable thermal response parameters |
| Secondary Mirror Obstruction | 42 mm |
| Secondary Mirror Obstruction by Diameter | 28.37% |
| Secondary Mirror Obstruction by Area | 8.05% |
| Resolving Power | 0.77 Arcseconds (Dawes), 0.92 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.7 |
| Highest Useful Magnification | 300x |
| Lowest Useful Magnification | 21x |
| Optical Tube Material | Patented Collapsible Truss FlexTube Dual-Rod Slideway Frame with Sheet Steel Lower Core |
| Focuser Style & Mechanism | 1.25-inch Helical Thread Focusing Mechanism Built directly into the upper nosepiece assembly |
| Mirror Lock Mechanism | No (Equipped with standard manual spring-tensioned cell adjustment bolts) |
| Optical Tube Dimensions | 180 mm x 420 mm (Truss fully collapsed layout) / 180 mm x 740 mm (Extended configuration) |
| Optical Tube Weight | 3.70 kg (8.16 lbs) (OTA Only) / 7.50 kg (16.53 lbs) (Complete Mount Setup Weight) |
| Mount Attachment Type | Integrated Vixen-Style Dovetail Bar attached to the lower barrel shell matching the single-arm base |
| Finder Scope Specification | Red Dot Finder Assembly with Variable Intensity Level Alignment Adjustments |
| Included Accessories | 150mm Collapsible Newtonian OTA, Wooden Alt-Az Tabletop Single-Arm Mount base, Red Dot Finder, 25mm Eyepiece, 10mm Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | High-aperture mobile messy object hunts, squeezing a sizable 6-inch light-gathering collector surface into a sliding open-frame structure optimized for quick outdoor deployment. |
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