Lunt LS50FHa/B3400 H-alpha Solar Filter

1. Dedicated H-alpha Observation: This filter is precisely engineered to isolate the H-alpha wavelength at less than 0.75 Angstroms. This narrow bandwidth is crucial for observing dynamic solar features such as prominences, filaments, and flares, which are otherwise undetectable with standard white-light filters.

2. Integrated Safety: The B3400 blocking filter is a critical safety component, blocking all light outside the H-alpha band to ensure safe observation. Its design for 2-inch focusers and compatibility with telescopes up to 3060mm focal length offers versatility and robust eye protection.

3. Precision Tuning: Equipped with a tiltable Etalon, the filter allows for fine-tuning of the H-alpha wavelength. This mechanism enables observers to optimize contrast and detail for various solar features, adapting to different atmospheric conditions and specific observational targets.

4. Modular Design: The LS50FHa/B3400 is a modular filter system designed to complement existing telescopes. Its specific M90x1 threading allows for secure attachment, transforming a standard telescope into a dedicated solar observing instrument, thereby extending its utility.

ABOUT THE LUNT LS50FHa/B3400 H-alpha Solar Filter

The Lunt LS50FHa/B3400 H-alpha Solar Filter represents a specialized optical instrument, uniquely designed to provide exceptional and safe views of the Sun's dynamic H-alpha light. Unlike general-purpose solar filters, this model's core distinction lies in its ability to isolate a very narrow bandwidth of less than 0.75 Angstroms centered on the H-alpha wavelength. This precision allows observers to safely and clearly see intricate solar phenomena such as prominences, filaments, and surface granulation that are otherwise invisible. Its 50mm clear aperture ensures bright, high-resolution imagery. The integrated B3400 blocking filter, housed within a 2-inch extension tube, is paramount for eye safety, blocking all detrimental wavelengths up to a 3060mm focal length. The system's tiltable Etalon provides crucial mechanical precision for fine-tuning the H-alpha bandpass, optimizing contrast and detail for varying atmospheric conditions and specific solar features. This filter's modular design enhances its versatility, allowing it to be integrated with existing astronomical telescopes. Utilizing original accessories and maintaining the system according to Lunt's guidelines will significantly prolong the product's lifetime and ensure continued peak performance.

ABOUT LUNT SOLAR SYSTEMS

Lunt Solar Systems, a distinguished American manufacturer, is globally renowned for its leadership in solar observation equipment. Founded in 2006 and based in Tucson, Arizona, the company quickly established itself by developing cutting-edge H-alpha solar telescopes and filters. Lunt is particularly celebrated for pioneering innovative designs that deliver unprecedented detail and clarity in solar imaging and observation. Their product philosophy centers on combining advanced optical engineering with robust construction, ensuring both exceptional performance and user safety. This commitment to quality and innovation has solidified Lunt Solar Systems' reputation as a trusted name among amateur astronomers and professional observatories alike.

MAIN FEATURES

• Aperture: 50 mm, providing clear H-alpha solar views without central obstruction.

• Bandwidth: Optimized for <0.75 Angstrom, for sharp H-alpha solar phenomena.

• Tuning: Features a tiltable Etalon for precise H-alpha wavelength adjustment and contrast control.

• Compatibility: Designed for telescopes, with a maximum focal length of 3060 mm. Front thread: M90x1 female. Rear thread: M90x1 male.

• Dimensions: Housing diameter: 95 mm; Length: 73 mm.

• Blocking Filter: B3400 blocking filter integrated into an extension tube, suitable for 2" focusers, essential for eye safety.

• Weight: 0.7 kg.

IN THE BOX

• LS50FHa solar filter system

• B3400 Blocking Filter (for 2" focuser) in extension tube

• Transport case

• Instruction manual