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Vixen R130Sf N 130/650 OTA Specs
| Brand | Vixen |
| Full Model Code | Vixen R130Sf Newtonian Reflector Optical Tube Assembly |
| Country of Origin | China (Manufacturing Execution) / Japan (Design / Quality Control Oversight) |
| Optical Design | Newtonian Reflector (Parabolic Primary Mirror paired with a flat secondary diagonal mirror setup) |
| Aperture | 130 mm (5.12 inches) |
| Focal Length | 650 mm |
| Focal Ratio | f/5.00 |
| Optical Coatings | Standard Aluminum Mirror Coating with a protective quartz layer providing stable light-gathering performance |
| Glass Material | Standard BK7 Optical Glass substrate engineered for high surface precision and uniform thermal stability |
| Secondary Mirror Obstruction | 36 mm (Minor axis width footprint profile of the interior diagonal spider mirror) |
| Secondary Mirror Obstruction by Diameter | 27.7% |
| Secondary Mirror Obstruction by Area | 7.67% |
| Resolving Power | 0.89 Arcseconds (Dawes), 1.07 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.4 |
| Highest Useful Magnification | 260x |
| Lowest Useful Magnification | 19x |
| Optical Tube Material | Lightweight Roll-Formed Steel Main Tube built with an internal matte-black anti-reflection wall finish |
| Focuser Style & Mechanism | 1.25-inch Precision Rack and Pinion Focuser featuring dual control wheels and manual lock thumb screws |
| Mirror Lock Mechanism | No (Equipped with standard manual structural mechanical lock screws) |
| Optical Tube Dimensions | 160 mm x 575 mm (Tube Outer Diameter x Working Longitudinal Structural Chassis Layout) |
| Optical Tube Weight | 4.00 kg (8.82 lbs) (Total weight rating inclusive of standard CNC tube rings and Vixen-style dovetail bar assembly) |
| Mount Attachment Type | Dual Vixen Tube Rings connected to a standard universal Vixen-Style GP-Level Dovetail Plate Frame |
| Finder Scope Specification | 6x30 Optical Finder Scope module mounted on an adjustable secondary quick-release foot block |
| Included Accessories | 130mm Parabolic Newtonian Optical Tube, Tube Rings, Vixen Dovetail Plate Frame, 6x30 Finder Scope, 1.25-inch Eyepiece Tube Adapter |
| Standard Warranty | 1-Year Limited Warranty |
| Application | Core light-gathering reflector block, gathering substantial photons for entry-to-intermediate astronomers seeking a fast, multi-use deep space explorer configuration. |
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