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Skywatcher AC 102/1000 EvoStar BD EQ3-2 Telescope Specs
| Brand | Sky-Watcher |
| Full Model Code | Sky-Watcher EvoStar 102 Black Diamond Achromatic Refractor Kit with EQ3-2 Manual Equatorial Mount |
| Country of Origin | China (Manufactured) |
| Optical Design | Achromatic Refractor (Crown-and-Flint Doublet Air-Spaced Optic Configuration Layout) |
| Aperture | 102 mm (4.02 inches) |
| Focal Length | 1000 mm |
| Focal Ratio | f/9.8 |
| Optical Coatings | Multi-Coated Optical Lens Surface Coating Anti-Reflective System |
| Glass Material | Standard Optical Crown and Flint Glass Substrate Components |
| Secondary Mirror Obstruction | 0 mm (Refractor Design with Clear Optical Path Layout) |
| Secondary Mirror Obstruction by Diameter | 0.00% |
| Secondary Mirror Obstruction by Area | 0.00% |
| Resolving Power | 1.14 Arcseconds (Dawes), 1.35 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.5 |
| Highest Useful Magnification | 204x |
| Lowest Useful Magnification | 15x |
| Optical Tube Material | Roll-Formed Sheet Steel Optical Tube Cylinder Finished in Metallic Black Diamond Powder Coat |
| Focuser Style & Mechanism | 2-inch Rack and Pinion Focuser Assembly with Direct Tension-Adjust Locking Screws |
| Mirror Lock Mechanism | Not Applicable |
| Optical Tube Dimensions | 110 mm x 980 mm |
| Optical Tube Weight | 3.60 kg (7.94 lbs) (OTA Only) / 14.50 kg (31.97 lbs) (Complete Mount Setup Weight) |
| Mount Attachment Type | Cast Aluminum 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 | 102mm Achromatic Refractor, EQ3-2 Equatorial Mounthead, Adjustable Aluminum Tripod Stand, 6x30 Finder, 2-inch Star Diagonal, Super 25mm Eyepiece, Super 10mm Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Classic manual planetary tracking loops and high-contrast lunar topographic scanning, using a long f/9.8 layout to substantially narrow secondary color fringes. |
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