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Lunt Solar ST 80/560 LS80MT Ha B1200 R&P Allround OTA
Designed for modular solar and nighttime imaging, the Lunt Solar ST 80/560 LS80MT Ha B1200 R&P Allround OTA combines an 80mm triplet with 560mm focal length and B1200 filtration.
- 80mm aperture supports solar and night use
- 560mm focal length uses f/7 optics
- Removable etalon supports modular operation
- B1200 blocking filter diagonal included
- 2-inch focuser provides 10:1 adjustment
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Description
Full-frame solar imaging support defines the Lunt Solar ST 80/560 LS80MT Ha B1800 BT R&P Allround OTA, an 80 mm ED triplet refractor with a 560 mm focal length and listed f/7 optical ratio. Its internal Hydrogen-alpha etalon, B1800 blocking filter, 2-inch 10:1 rack-and-pinion focuser, FPL-53 optical core, Vixen dovetail, CNC rings, retractable dew shield, and hard case support solar imaging and compatible nighttime refractor use.
The B1800 blocking filter provides the supplied larger clear aperture for imaging, but it must remain correctly installed with the Lunt etalon for solar observation. Inspect the blocking filter, diagonal, etalon, focuser, tube, and mounting hardware before every session, and remove the solar modules before nighttime use with suitable accessories while protecting the optical path from dust, moisture, and impact.
Key Features of Lunt Solar ST 80/560 LS80MT Ha B1800 BT R&P Allround OTA
This modular ED triplet solar telescope combines an 80 mm aperture with a 560 mm focal length, f/7 optical ratio, internal H-alpha etalon, B1800 blocking filter, 2-inch 10:1 focuser, FPL-53 optics, Vixen rail, CNC rings, dew shield, and protective case.
- 80 mm ED triplet refractor
- 560 mm focal length with listed f/7 optical ratio
- Internal pressure-tuned Hydrogen-alpha etalon
- B1800 blocking-filter diagonal
- 2-inch focuser with 10:1 reduction
- FPL-53 ED triplet optical core
- Vixen dovetail and CNC tube rings
- Hard transit case and retractable dew shield
Solar Imaging and Nighttime Refractor Use
The supplied application focuses on solar imaging of prominences, filaments, active regions, and chromospheric structure through the B1800 and etalon system, while the modular design permits nighttime lunar, planetary, and deep-sky imaging after the solar modules are removed and appropriate non-solar accessories are installed on a compatible mount.
Why Choose Lunt Solar ST 80/560 LS80MT Ha B1800 BT R&P Allround OTA
The B1800 configuration is relevant when an 80 mm ED triplet system needs a larger blocking-filter aperture for imaging, combined with 10:1 focusing, FPL-53 optics, modular day and night use, Vixen mounting, CNC rings, retractable dew protection, and a hard case for organized field deployment.
- B1800 filter for the supplied larger-field imaging configuration
- 80 mm ED triplet with removable H-alpha module
- Focuser, rail, rings, etalon, dew shield, and case included
Lunt 5-Year Limited Warranty
The supplied product information lists a 5-year limited warranty for this solar telescope, and the applicable US warranty terms, etalon coverage, B1800 blocking-filter coverage, focuser coverage, registration requirements, and authorized service process should be confirmed before purchase because the approved blocking-filter and etalon path must remain complete during solar operation.
Lunt Solar ST 80/560 LS80MT Ha B1200 R&P Allround OTA Specs
| Brand | Lunt Solar Systems |
| Full Model Code | Lunt Solar Systems LS80MT/B1200R&P Modular Hydrogen-Alpha Telescope with Rack and Pinion Focuser (LS80MT-B1200RP) |
| Country of Origin | United States |
| Optical Design | Modular ED Refractor (Triplet Objective Core / Removable Internal H-alpha Etalon) |
| Aperture | 80 mm (3.15 inches) - Night Use / 80 mm (3.15 inches) - Solar Use |
| Focal Length | 560 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 FPL-53 Triplet Core Glass |
| Secondary Mirror Obstruction | 0 mm (None) |
| Secondary Mirror Obstruction by Diameter | 0% |
| Secondary Mirror Obstruction by Area | 0% |
| Resolving Power | 1.45 Arcseconds (Dawes), 1.73 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 11.6 |
| Highest Useful Magnification | 160x |
| Lowest Useful Magnification | 11x |
| Optical Tube Material | Premium CNC-Machined T6061 Aluminum Alloy Structural Frame (White and Anodized Red Accent Finish) |
| Focuser Style & Mechanism | 2.0-inch Lunt 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 | 115 mm x 450 mm (with Retracted Dew Shield) |
| Optical Tube Weight | 4.95 kg (10.91 lbs) |
| Mount Attachment Type | Heavy-Duty CNC Hinged Tube Rings Connected via Vixen-Style Dovetail Rail Platform |
| Finder Scope Specification | Optional Lunt Sol-Searcher Solar Finder Alignment Device Block |
| Included Accessories | LS80MT Modular OTA, Internal H-alpha Etalon Module, B1200 Blocking Filter Diagonal (1.25-inch), 2-inch Dual-Speed R&P Focuser, CNC Tube Rings, Vixen Dovetail, Custom Hard Flight Transit Case |
| Standard Warranty | 5-Year Limited Warranty |
| Application | Mid-aperture high-resolution solar chromospheric structural scanning and crisp nighttime true-color wide-field imaging, deploying an active pressure tuner for sub-angstrom solar passbands. |
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