Lunt LS50C H-alpha double-stack filter for LS50THa

Double-stack filter for LS50THa telescopes. The bandwidth of H-alpha systems can be reduced by so-called "double-stacking". A smaller bandwidth provides much more contrast at the solar surface, thereby many more details will become visible. Double-stacking with a bandwidth of only <0.5 Angstrom is also possible at the LS50THa telescopes. Therefore Lunt Solar Systems has especially designed this LS50C double-stack filter in compact housing. The filter threads directly onto the LS50THa telescopes.

Specification:

• Aperture: 50 mm
• Bandwidth: <0.5 Angstrom
• Tuning: mechanical tilt-tuning
• Housing diameter: 85 mm
• Length: 70 mm
• Weight: 0.7 kg
• Front thread: M80x1 female thread
• Rear thread: M80x1 male thread only usable together with a LS50THa telescope!

Contents:

• LS50C H-alpha double-stack filter
• Instruction manual