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Lunt Solar ST 130/910 LS130MT Ha B3400 Allround OTA Specs
| Brand | Lunt Solar Systems |
| Full Model Code | Lunt Solar Systems LS130MT/B3400 Modular Hydrogen-Alpha Telescope with Standard Focuser (LS130MT-B3400) |
| Country of Origin | United States |
| Optical Design | Modular ED Refractor (Triplet Objective Core / Removable Internal H-alpha Etalon) |
| Aperture | 130 mm (5.12 inches) - Night Use / 130 mm (5.12 inches) - Solar Use |
| Focal Length | 910 mm |
| Focal Ratio | f/7 |
| Optical Coatings | Fully Multi-Coated Ultra-Wideband Anti-Reflective Matrix Optimized for Night and 656.28 nm Solar Spectrum |
| Glass Material | Premium Precision ED Extra-Low Dispersion Lanthanum Triplet Core Glass |
| Secondary Mirror Obstruction | 0 mm (None) |
| Secondary Mirror Obstruction by Diameter | 0% |
| Secondary Mirror Obstruction by Area | 0% |
| Resolving Power | 0.89 Arcseconds (Dawes), 1.06 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.6 |
| Highest Useful Magnification | 260x |
| Lowest Useful Magnification | 19x |
| Optical Tube Material | Premium CNC-Machined T6061 Aluminum Alloy Structural Frame (White and Anodized Red Accent Finish) |
| Focuser Style & Mechanism | 2.0-inch Dual-Speed Rack and Pinion Focuser with 10:1 Micro-Gear Reduction System and Tension Lock |
| Mirror Lock Mechanism | No (Equipped with Internal Pressure-Tuning Etalon Chamber Adjustment Module) |
| Optical Tube Dimensions | 150 mm x 850 mm (with Retracted Dew Shield) |
| Optical Tube Weight | 12.10 kg (26.68 lbs) |
| Mount Attachment Type | Heavy-Duty CNC Hinged Tube Rings Connected via Losmandy-Style D-Plate Platform Rail |
| Finder Scope Specification | Optional Lunt Sol-Searcher Solar Finder Alignment Device Block |
| Included Accessories | LS130MT Modular OTA, Internal H-alpha Etalon Module, B3400 Blocking Filter Custom Straight Extension Tube (2-inch), 2-inch Dual-Speed Focuser, CNC Tube Rings, Losmandy Dovetail Bar, Custom Hard Flight Transit Case |
| Standard Warranty | 5-Year Limited Warranty |
| Application | Observatory-scale large-format solar astrophotography tracking and high-contrast nighttime imaging, utilizing an oversized 34mm internal blocking filter to project an unvignetted solar image plane onto large full-frame sensors. |
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