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Orion AG8 200/760 Carbon Astrograph OTA Specs
| Brand | Orion (Orion Optics UK) |
| Full Model Code | Orion Optics UK AG8 200/760 Advanced Carbon Fiber Newtonian Astrograph Optical Tube Assembly |
| Country of Origin | United Kingdom (Designed and Manufactured) |
| Optical Design | Newtonian Astrograph (Parabolic Primary Mirror Layout with Dedicated Multi-Element Coma Corrector) |
| Aperture | 200 mm (7.87 inches) |
| Focal Length | 760 mm |
| Focal Ratio | f/3.8 |
| Optical Coatings | Hilux Multi-Layer Reflective Coating Matrix Delivering 97% Total Reflectivity Levels |
| Glass Material | Premium Precision-Annealed Suprax Glass Substrate with Ultra-Low Expansion Index |
| Secondary Mirror Obstruction | 75 mm |
| Secondary Mirror Obstruction by Diameter | 37.50% |
| Secondary Mirror Obstruction by Area | 14.06% |
| Resolving Power | 0.58 Arcseconds (Dawes), 0.69 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.3 |
| Highest Useful Magnification | 400x |
| Lowest Useful Magnification | 29x |
| Optical Tube Material | Genuine Multi-Layer Twill Carbon Fiber Structural Shell with Matte Internal Anti-Reflective Coating |
| Focuser Style & Mechanism | 3-inch Dual-Speed Rack and Pinion Focuser with 10:1 Micro-Focus Drive and Rigid Lock Array |
| Mirror Lock Mechanism | Yes (Equipped with CNC-Machined 9-Point Primary Cell Suspension and Lock Bolt Knobs) |
| Optical Tube Dimensions | 230 mm x 710 mm |
| Optical Tube Weight | 8.00 kg (17.64 lbs) |
| Mount Attachment Type | CNC-Machined Aluminum Support Ring Set Fastened to Heavy Vixen or Losmandy-Style Dovetail Bar |
| Finder Scope Specification | Not Included / Pre-drilled for Standard Finder Bracket Base Plates |
| Included Accessories | 200mm Suprax Newtonian OTA, Integrated Wynn 3-inch Coma Corrector Lens, 3-inch Dual-Speed Focuser, CNC Tube Rings, Dovetail Rail, 1/10 PV Wavefront Surface Test Report |
| Standard Warranty | 1-Year Limited Warranty |
| Application | Portable high-speed wide-field deep-sky astro-imaging tracking runs, utilizing an aggressive f/3.8 light cone path to execute comprehensive field captures over highly shortened exposures. |
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