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Rear Hydrogen Alpha Filters

Rear Hydrogen Alpha Filters

Rear Hydrogen Alpha Filters

 

Our range of rear mounted solar filters allow you to convert just about any telescope to safely observe and image the Sun. These filters require you to add some form of ERF (Energy Rejection Filter) to the telescope. They are available in a range of bandpass options from 0.8A to 0.3A


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Premium 0.7A H-Alpha Filter for use on most telescope types. 19mm clear aperture.

£2,949.00 *

Premium 0.65A H-Alpha Filter for use with most telescopes. 19mm clear aperture. Active temperature control.

£2,919.00 *

Premium 0.5A H-Alpha Filter for use on most telescope types. 19mm clear aperture.

£3,399.00 *

Premium 0.5A H-Alpha Filter for use with most telescopes. 19mm clear aperture. Active temperature control.

£3,379.00 *

Premium 0.3A H-Alpha Filter for use with most telescopes. 19mm clear aperture. Active temperature control.

£4,309.00 *

Premium 0.7A H-Alpha Filter for use on most telescope types. 25mm clear aperture.

£3,679.00 *

Premium 0.65A H-Alpha Filter for use with most telescopes. 25mm clear aperture. Active temperature control.

£3,679.00 *

Premium 0.5A H-Alpha Filter for use on most telescope types. 25mm clear aperture.

£4,139.00 *

Premium 0.5A H-Alpha Filter for use with most telescopes. 25mm clear aperture. Active temperature control.

£4,139.00 *

Premium 0.3A H-Alpha Filter for use with most telescopes. 25mm clear aperture. Active temperature control.

£5,079.00 *

Large Format 0.8A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£4,619.00 *

Large Format 0.65A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£5,289.00 *

Ultra Uniform 0.65A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£6,629.00 *

Large Format 0.50A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£6,629.00 *

Ultra Uniform 0.50A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£7,869.00 *

Large Format 0.30A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£7,159.00 *

Ultra Uniform 0.30A H-Alpha Filter for use with most telescopes. 32mm clear aperture. Active temperature control.

£9,129.00 *

Ultra Uniform 0.70A H-Alpha Filter for use with most telescopes. 46mm clear aperture. Active temperature control.

£9,779.00 *

Ultra Uniform 0.50A H-Alpha Filter for use with most telescopes. 46mm clear aperture. Active temperature control.

£11,039.00 *

Ultra Uniform 0.30A H-Alpha Filter for use with most telescopes. 46mm clear aperture. Active temperature control.

£12,299.00 *
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Prices includes VAT, plus delivery