Lunt LS100FHa/d2 H-alpha solar filter

1. Dedicated H-alpha Filtering: Designed specifically for H-alpha solar observation, allowing views of dynamic features like prominences, filaments, and flares. This filter’s narrow **bandpass** ensures exceptional contrast and detail for unparalleled solar viewing.

2. Precision Etalon Tuning: Features an integrated **tiltable Etalon** for fine-tuning the bandpass. This crucial capability allows observers to optimize the view for specific features on the solar disk and achieve the best possible contrast.

3. Optimized Aperture: With a **100mm aperture**, this filter offers excellent light-gathering capabilities to reveal subtle solar details with clarity. The larger aperture contributes to brighter and more resolved images of the Sun’s chromosphere.

4. High Compatibility: The design is compatible with a wide range of telescopes, allowing versatility for astronomers. The specified **maximum focal lengths** for different filter diameters ensure optimal performance across various optical setups.

ABOUT THE LS100FHa/d2 H-alpha Solar Filter

The Lunt LS100FHa/d2 H-alpha solar filter distinguishes itself as a specialized and high-precision instrument designed exclusively for safe and detailed solar observation. Unlike standard white-light filters, this model offers a narrow **H-alpha bandpass** of less than **0.7 Angstrom**, allowing observers to view dynamic features on the Sun's surface and chromosphere, such as prominences, flares, and filaments. Its **100mm aperture** ensures excellent light gathering for crisp, high-contrast views. The integrated **tiltable Etalon** provides precise tuning, enabling fine adjustment of the bandpass for optimum contrast and detail across the solar disk, making it ideal for both amateur astronomers and advanced solar observers. Mechanical precision is key to repeatable performance, ensuring consistent results. The use of original accessories and spare parts is always recommended to prolong the lifetime and maintain the peak performance of such sophisticated optical instruments.

ABOUT LUNT SOLAR SYSTEMS

Lunt Solar Systems, based in Tucson, Arizona, is renowned globally as a leading manufacturer of dedicated solar observing equipment. Founded by Andrew Lunt, the company specializes in producing high-quality **H-alpha filters** and telescopes that set industry standards for solar observation. Their product philosophy centers on delivering exceptional optical clarity, **precision engineering**, and robust durability, allowing enthusiasts and professionals alike to safely explore the intricate details of our Sun. Lunt is known for its commitment to innovation, providing cutting-edge solutions for an unparalleled solar viewing experience.

MAIN FEATURES

• Aperture: 100 mm

• Bandwidth: <0.7 Angstrom

• Tuning: Tiltable Etalon

• Maximum Focal Length (6mm Filter Diameter): 540 mm

• Maximum Focal Length (12mm Filter Diameter): 1080 mm

• Maximum Focal Length (18mm Filter Diameter): 1620 mm

• Housing Diameter: 162 mm

• Length: 101 mm

• Weight: 2.75 kg

• Front Thread: M120x1.5 female thread

• Rear Thread: M120x1.5 male thread

IN THE BOX

• Lunt LS100FHa/d2 H-alpha Solar Filter

• Dust caps