Lunt H-alpha Solar Filters

These H-alpha Filters are designed to retrofit your astronomical telescope for observing the sun during the day. Several filter sizes can be matched with an adapter-plate to the existing scope aperture. Systems include front mounted Etalon filter and the required rear mounted 50.8 mm (2") or 31.7 mm (1.25") blocking filter.

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Lunt LS50C H-alpha double-stack filter for LS50THa
Lunt LS50C H-alpha double-stack filter for LS50THa
£1,508.00

Provides much more contrast at the solar surface, thereby many more details will become visible

Lunt 50 mm H-alpha Solar Filter Systems
Lunt 50 mm H-alpha Solar Filter Systems
£1,838.00  -  £4,996.00

H-alpha filter systems with 50mm aperture and <0.75 Angstrom bandpass. Adding an additional available Double-Stack etalon system will reduce the bandpass to <0.55 Angstroms. The 50mm filter system provides very good results in viewing and imaging the Sun.

Lunt 60 mm H-alpha Solar Filter Systems
Lunt 60 mm H-alpha Solar Filter Systems
£2,828.00  -  £6,128.00

H-alpha filter systems with 60mm aperture and <0.7 Angstrom bandwidth. Adding an additional available Double-Stack etalon system will reduce the bandwidth to <0.5 Angstroms. These 60mm filters can be combined with the 60mm H-alpha telescopes for double stacking.

Lunt 100 mm H-alpha Solar Filter Systems
Lunt 100 mm H-alpha Solar Filter Systems
£9,993.00  -  £13,199.00

H-alpha filter systems with 100mm aperture and <0.7 Angstrom bandpass. Adding an additional available Double-Stack etalon system will reduce the bandpass to <0.5 Angstroms. These big filters will show many details of the sun to the advanced solar observer.

Internal Double Stack Module with Pressure Tuner for LS100THa Telescope
Internal Double Stack Module with Pressure Tuner for LS100THa Telescope
£2,899.00

Internal double stack filter with air-pressure tuning system. Reduces the bandwidth to <0.5 Angstrom!

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