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Skywatcher AP 80/600 EvoStar ED OTA Specs
| Brand | Sky-Watcher |
| Full Model Code | Sky-Watcher EvoStar 80ED Doublet Apochromatic Refractor Black Diamond DS-Pro Optical Tube Assembly |
| Country of Origin | China (Manufactured) |
| Optical Design | Apochromatic Refractor (2-Element Air-Spaced ED Doublet Objective Configuration) |
| Aperture | 80 mm (3.15 inches) |
| Focal Length | 600 mm |
| Focal Ratio | f/7.5 |
| Optical Coatings | Metallic High-Transmission Coating (MHC) Application Generating 99.5% Lens Layer Efficiency |
| Glass Material | Premium Ohara FPL-53 Extra-Low Dispersion Synthetic Fluorite Core Component with Schott Glass Companion Lens |
| 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 | 1.45 Arcseconds (Dawes), 1.73 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.0 |
| Highest Useful Magnification | 160x |
| Lowest Useful Magnification | 11x |
| 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 | Not Applicable |
| Optical Tube Dimensions | 100 mm x 580 mm |
| Optical Tube Weight | 3.20 kg (7.05 lbs) |
| Mount Attachment Type | Cast Aluminum Tube Rings bolted to a Standard Medium Vixen-Style Dovetail Bar Interfacing |
| Finder Scope Specification | 9x50 Optical Straight-Through Finder Scope Kit Complete with O-Ring Alignment Bracket |
| Included Accessories | 80mm ED Doublet OTA, Support Tube Rings, Vixen-Style Dovetail Bar, 9x50 Finder Scope, 2-inch Dielectric Star Diagonal, 28mm 2-inch Eyepiece, Aluminum Flight Case |
| Standard Warranty | 2-Year Limited Warranty |
| Application | High-contrast solar system tracking and rich-field star cluster loops, leveraging a highly corrected f/7.5 focal system ratio to render clean star profiles on a light mechanical mount. |
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