Key Features
- Dual-Purpose Modular Design – Observe the Sun in H-alpha during the day and explore the Moon, planets, and deep-sky objects at night.
- High-Quality ED Optics – FPL53 ED triplet lens delivers outstanding color correction and sharpness.
- H-alpha Solar Observation – <0.7Å bandwidth with internal Etalon filter and Pressure-Tuner for precise tuning.
- 8" dovetail and CNC mounting rings provide secure attachment to your mount.
- Red Dot Sun Finder ensures accurate solar alignment.
- Premium Blocking Filter – Includes a B1200 blocking filter in a 2” diagonal, ideal for both visual and photographic solar observations.
- Advanced Focusing System – Rack & pinion focuser allows smooth, fine adjustments for both solar and astronomical imaging.
- Safe & Reliable – Completely eye-safe design for solar viewing in H-alpha, Ca-K (optional), and white light (optional).
Additional information
| Manufacturer | Lunt |
|---|---|
| Series | LS100 |
| Warranty | 5-year limited manufacturer warranty |
| Area of application | Astrophotography, Deep sky observation, Lunar & Planetary Observation, Solar observation, Terrestrial observation |
|---|---|
| Recommended for | Intermediate observers, Advanced observers, Astrophotographers |
| Type of build | Refractor |
|---|---|
| Optical Design | ED triplet lens |
| Objective Type | Professional Grade APO Triplet |
| Objective Coating | Ion Assist Broadband AR |
| Objective Material | FPL-53 |
| Aperture | 100 mm |
| Focal Length | 714 mm |
| Focal Ratio | F/7 |
| Coating | (Objective Coating) Ion Assist Broadband AR |
| Resolving Power (Rayleigh) | 1.4 arcseconds |
| Resolving Power (Dawes) | 1.16 arcseconds |
| Magnitude Limit | 12 |
| Light Gathering Power (Compared to human eye) | 205x |
| Maximum Magnification | 175x |
| Type of focuser | Rack & Pinion Focuser |
| Optical tube weight | 5.8 kg |
| Dovetail Compatibility | Vixen Style Dovetail |
| Dovetail Compatibility | Vixen Style Dovetail |
|---|
| H-alpha Etalon | Modular |
|---|---|
| Etalon Wavelength | 656.28 nm |
| Etalon Bandpass | <0.65 Å Single Stack, <0.45 Å Double Stack |
| Etalon Material | UV Grade Fused Silica |
| Etalon Tuning | Doppler True Barometric Pressure Tuning |
| Doppler Shifting | Instant |
| Filter Wavelength | 393.4 nm |
| Filter Bandpass | 2.2 Å |
| Storage | Aluminum Finished Hard Case with Fitted Foam |
|---|
| Optical tube weight | 5.8 kg |
|---|
| Package Contents | 1.25" Diagonal for Terrestrial observation, 1.25" Nighttime Star Diagonal, 100mm Universal Day & Night OTA, 2" Lunt White Light Wedge, 2" to 1.25" focuser adapter, 8" vixen style dovetail, Backing plate and focuser assembly, H-alpha B1200 Blocking Filter, Lunt 7-21 Zoom Eyepiece, Rack & Pinion Focuser, Red Dot finder handle/ring assembly |
|---|
| Sun Finder | Red Dot Sun Finder Handle |
|---|
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