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GSO Dobson N 200/1200 DOB Deluxe Version Specs
| Brand | GSO (Guan Sheng Optical) |
| Full Model Code | GSO 8-inch f/6 Deluxe Dobsonian Telescope (GS680-Deluxe) |
| Country of Origin | Taiwan |
| Optical Design | Newtonian Dobsonian (Parabolic Primary Mirror) |
| Aperture | 200 mm (7.87 inches) |
| Focal Length | 1200 mm |
| Focal Ratio | f/6 |
| Optical Coatings | Enhanced 94% Aluminum Reflectivity Coating Matrix with Quartz Overcoat Protection |
| Glass Material | Premium Parabolic BK7 Structural Core Glass |
| Secondary Mirror Obstruction | 50 mm |
| Secondary Mirror Obstruction by Diameter | 25% |
| Secondary Mirror Obstruction by Area | 6.25% |
| Resolving Power | 0.58 Arcseconds (Dawes), 0.69 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 14.0 |
| Highest Useful Magnification | 400x |
| Lowest Useful Magnification | 29x |
| Optical Tube Material | Powder-Coated Rolled Steel Cylinder Structure |
| Focuser Style & Mechanism | 2.0-inch Dual-Speed Crayford Focuser with 10:1 Micro-Gear Reduction System and Brass Compression Rings |
| Mirror Lock Mechanism | No (Equipped with Primary Active Battery Cooling Fan Compartment) |
| Optical Tube Dimensions | 230 mm x 1150 mm |
| Optical Tube Weight | 9.52 kg (21.0 lbs) |
| Mount Attachment Type | Deluxe Wooden Rocker Box utilizing Steel Roller Needle Azimuth Bearings and Adjustable CNC Altitude Clutches |
| Finder Scope Specification | 8x50 Achromatic Optical Finder Scope with Quick-Release Base |
| Included Accessories | 10:1 Dual-Speed Focuser, Erfle 30mm Wide-Field Eyepiece (2-inch / 40x), Super Plossl 9mm Eyepiece (1.25-inch / 133x), Primary Mirror Cooling Fan, 35mm Extension Tube |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Advanced deep-sky exploration and immediate structural nebular charting, pairing smooth industrial roller tracks with precision micro-focusers to handle bulky astronomical eyepiece profiles gracefully. |
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