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Skywatcher N 130/900 Explorer EQ-2 Telescope Specs
| Brand | Sky-Watcher |
| Full Model Code | Sky-Watcher Explorer-130 Spherical Newtonian Kit with EQ2 Manual Equatorial Mount Assembly |
| Country of Origin | China (Manufactured) |
| Optical Design | Newtonian Reflector (Spherical Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 130 mm (5.12 inches) |
| Focal Length | 900 mm |
| Focal Ratio | f/6.92 |
| Optical Coatings | Aluminized Mirror Coating Surface Matrix with Protective Silicon Dioxide Overcoat Shield |
| Glass Material | Standard Optical Borosilicate Glass Substrate with stable thermal response parameters |
| Secondary Mirror Obstruction | 35 mm |
| Secondary Mirror Obstruction by Diameter | 26.92% |
| Secondary Mirror Obstruction by Area | 7.25% |
| 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 High-Gloss Blue Powder Coat |
| Focuser Style & Mechanism | 1.25-inch Rack-and-Pinion Focuser Unit featuring dual plastic control knobs |
| Mirror Lock Mechanism | No (Equipped with standard manual spring-tensioned cell adjustment bolts) |
| Optical Tube Dimensions | 160 mm x 840 mm |
| Optical Tube Weight | 4.20 kg (9.26 lbs) (OTA Only) / 12.10 kg (26.68 lbs) (Complete Mount Setup Weight) |
| Mount Attachment Type | Cast Aluminum Support Tube Rings interfacing with standard saddle plates on the EQ2 equatorial head |
| Finder Scope Specification | 5x24 Optical Straight-Through Finder Scope featuring manual lens alignment tracking pins |
| Included Accessories | 130mm Spherical OTA, Tube Rings, EQ2 Equatorial Mount, Aluminum Tripod, Slow-Motion Control Cables, Counterweight, 25mm Eyepiece, 10mm Eyepiece, 2x Barlow Lens |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Longer focal length lunar and planetary visual study tracking, using manual polar gears to maintain steady focus views at higher resolution thresholds. |
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