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Solar Spectrum

Solar Spectrum

Solar Spectrum are an American company with more than 40 years of experience. They are your source for ultra narrow optical filters for observing the sun, ranging from the professional to the amateur alike.


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Solar Spectrum Solar Observer Series 1.5 25mm 0.65A H-Alpha Filter

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

£2,715.83 *
Not in stock

Solar Spectrum Solar Observer Series 1.5 25mm 0.5A H-Alpha Filter

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

£3,040.83 *
Not in stock

Solar Spectrum Solar Observer Series 1.5 25mm 0.3A H-Alpha Filter

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

£4,640.83 *
Not in stock

Solar Spectrum Advanced Observer 32mm 0.65A H-Alpha Filter

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

£3,724.17 *
Not in stock

Solar Spectrum Advanced Observer 32mm 0.50A H-Alpha Filter

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

£4,849.17 *
Not in stock

Solar Spectrum Advanced Observer 32mm 0.30A H-Alpha Filter

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

£6,507.50 *
Not in stock

Solar Spectrum Research Grade 32mm 0.65A H-Alpha Filter

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

£4,849.17 *
Not in stock

Solar Spectrum Research Grade 32mm 0.50A H-Alpha Filter

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

£5,790.83 *
Not in stock

Solar Spectrum Research Grade 32mm 0.30A H-Alpha Filter

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

£8,349.17 *
Not in stock

Solar Spectrum Research Grade 46mm 0.70A H-Alpha Filter

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

£7,207.50 *
Not in stock

Solar Spectrum Research Grade 46mm 0.50A H-Alpha Filter

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

£8,099.17 *
Not in stock

Solar Spectrum Research Grade 46mm 0.30A H-Alpha Filter

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

£11,274.17 *
Not in stock
* Prices without VAT or delivery