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Meade N 200/800 LX85 OTA Specs
| Brand | Meade Instruments |
| Full Model Code | Meade LX85 8-inch f/4 Reflector Astrograph Optical Tube Assembly (217026OTA) |
| Country of Origin | China |
| Optical Design | Fast Parabolic Newtonian Reflector (Astrograph Mirror Configuration) |
| Aperture | 200 mm (7.87 inches) |
| Focal Length | 800 mm |
| Focal Ratio | f/4 |
| Optical Coatings | High-Reflectivity Aluminum Coating Matrix with Protective Silicon Dioxide Overcoat |
| Glass Material | Premium BK7 Optical Glass Low-Expansion Primary Parabolic Mirror Substrate |
| Secondary Mirror Obstruction | 70 mm |
| Secondary Mirror Obstruction by Diameter | 35.0% |
| Secondary Mirror Obstruction by Area | 12.25% |
| 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 | Roll-Formed Steel Cylindrical Shell with Machined Aluminum Front and Rear Cell Liners |
| Focuser Style & Mechanism | 2.0-inch Linear Bearing Dual-Speed Crayford Focuser with 10:1 Fine Focus Drive and Tension Lock Screw |
| Mirror Lock Mechanism | No (Equipped with Primary Mirror Recessed Manual Push-Pull Collimation Lock Screws) |
| Optical Tube Dimensions | 230 mm x 730 mm |
| Optical Tube Weight | 8.35 kg (18.41 lbs) |
| Mount Attachment Type | Integrated Vixen-Style Dovetail Mounting Rail Interface via Heavy-Duty Tube Rings |
| Finder Scope Specification | 8x50 Achromatic Optical Finder Scope with Crosshair Layout and Dual-Screw Alignment Bracket |
| Included Accessories | 8-inch f/4 Astrograph OTA, Heavy-Duty Tube Rings, Vixen-Style Dovetail Rail, 8x50 Finder Scope, 2-inch to 1.25-inch Focuser Adapter, Extension Tube |
| Standard Warranty | 1-Year Limited Warranty |
| Application | High-aperture custom imaging configurations on premium equatorial platforms, leveraging enhanced 8-inch light collection to expose extreme deep-sky structural targets. |
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