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Skywatcher N 130/650 Explorer 130PDS OTA Specs
| Brand | Sky-Watcher |
| Full Model Code | Sky-Watcher Explorer-130PDS Dual-Speed Parabolic Newtonian Astrograph Optical Tube Assembly |
| Country of Origin | China (Manufactured) |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 130 mm (5.12 inches) |
| Focal Length | 650 mm |
| Focal Ratio | f/5 |
| Optical Coatings | Aluminized Mirror Coating Surface Matrix with Protective Silicon Dioxide Overcoat Shield |
| Glass Material | Premium Optical Borosilicate Glass Substrate optimizing mirror geometry during temperature transitions |
| Secondary Mirror Obstruction | 47 mm |
| Secondary Mirror Obstruction by Diameter | 36.15% |
| Secondary Mirror Obstruction by Area | 13.07% |
| Resolving Power | 0.89 Arcseconds (Dawes), 1.06 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.1 |
| Highest Useful Magnification | 260x |
| Lowest Useful Magnification | 19x |
| Optical Tube Material | Roll-Formed Sheet Steel Optical Tube Cylinder Finished in Metallic Black Diamond Powder Coat |
| Focuser Style & Mechanism | 2-inch Dual-Speed Crayford Focuser Assembly featuring 10:1 Micro-Focus Reduction Gear Drive |
| Mirror Lock Mechanism | No (Equipped with standard manual spring-tensioned cell adjustment bolts) |
| Optical Tube Dimensions | 160 mm x 615 mm |
| Optical Tube Weight | 4.00 kg (8.82 lbs) |
| Mount Attachment Type | Cast Aluminum Support Tube Rings bolted to a Standard Medium Vixen-Style Dovetail Bar Interfacing |
| Finder Scope Specification | 6x30 Optical Straight-Through Finder Scope Kit Complete with O-Ring Alignment Bracket |
| Included Accessories | 130mm Parabolic OTA, 2-inch Dual-Speed Focuser, 2-inch to 1.25-inch Reducer, Tube Rings, Vixen Dovetail, 6x30 Finder Scope, 28mm 2-inch Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | High-precision prime-focus astrophotography runs, utilizing an optimized shortened physical tube profile and a 10:1 microfocuser structure to maintain sharp focus boundaries across small sensor planes. |
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