Lunt LS60FHa/d2 H-alpha Solar Filter

1. Dedicated Solar Observation: The Lunt LS60FHa/d2 is a specialized H-alpha solar filter designed for passionate observers and astrophotographers. It allows for safe and detailed viewing of the Sun's chromosphere, making solar features like prominences, filaments, sunspots, and granulation visible in stunning contrast.

2. Precision H-alpha Bandwidth: With an extremely narrow bandwidth of <0.75 Angstrom, this filter isolates the H-alpha light at 656.28 nanometers with high fidelity. This precise isolation is crucial for revealing the intricate, dynamic structures within the solar atmosphere that are otherwise invisible through white light filters.

3. Tiltable Etalon Tuning: The integrated tiltable etalon system provides astronomers with the ability to fine-tune the filter's peak wavelength. This allows for precise adjustment to compensate for pressure or temperature changes, or to perform Doppler shift studies of solar phenomena, revealing their motion towards or away from Earth.

4. Optimized Aperture: The 60 mm aperture of this filter ensures a bright and clear image of the Sun, while maintaining a manageable size for various telescope setups. It provides an excellent balance between light gathering capability and field of view, making it ideal for both full-disc solar views and closer observations of specific active regions.

ABOUT THE Lunt LS60FHa/d2 H-alpha Solar Filter

The Lunt LS60FHa/d2 H-alpha Solar Filter distinguishes itself through its dedicated design for observing the dynamic chromosphere of our nearest star. Unlike broadband filters, this specialized H-alpha filter operates at an extremely narrow bandwidth of <0.75 Angstrom. This precision allows it to reveal intricate solar features such as prominences, filaments, and active regions with exceptional contrast and clarity, which are otherwise imperceptible. Its 60 mm aperture ensures ample light collection, while the no-central-obstruction design further enhances image quality. A key feature is the tiltable etalon, enabling users to fine-tune the filter for optimal performance, compensate for atmospheric conditions, or even perform basic Doppler shift studies of solar phenomena. Designed for serious solar astronomers, this filter offers unparalleled detail for both visual observation and astrophotography. To ensure prolonged lifetime and optimal performance, the use of original Lunt Solar Systems accessories and spare parts is always recommended.

ABOUT LUNT SOLAR SYSTEMS

Lunt Solar Systems, based in Tucson, Arizona, is a renowned manufacturer specializing exclusively in solar observation equipment. Founded by skilled optical engineers and astronomers, the company is known for its commitment to producing high-quality, innovative solar telescopes and filters. Lunt Solar Systems has established a reputation for its precision engineering, particularly in the development of sophisticated H-alpha filters and etalon systems that allow detailed views of the Sun's chromosphere. Their product philosophy centers on delivering exceptional optical clarity and reliability, making the complex science of solar astronomy accessible to enthusiasts and professionals alike.

MAIN FEATURES

• Aperture: 60 mm for clear solar observation.

• Filter Diameter: 6mm, compatible with telescopes up to 540 mm focal length.

• Filter Diameter: 12mm, compatible with telescopes up to 1080 mm focal length.

• Filter Diameter: 18mm, compatible with telescopes up to 1620 mm focal length.

• Optical Design: Features no central obstruction for improved image quality.

• Bandwidth: Ultra-narrow <0.75 Angstrom for exceptional detail of the H-alpha line.

• Tuning: Equipped with a tiltable Etalon for precise wavelength adjustment.

• Housing Diameter: 95 mm.

• Length: 85 mm.

• Weight: 0.85 kg.

• Front Thread: M90x1 female thread for secure attachment.

• Rear Thread: M90x1 male thread for versatile mounting options.

IN THE BOX

• Lunt LS60FHa/d2 H-alpha Solar Filter

• Dust caps

• Storage case

• Instruction manual