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Safety / ERF Filters

Safety / ERF Filters

 

Our range of Safety ERF's (Energy Rejection Filters) provide protection for your solar filter from the Sun's harmful wavelengths. These filters are suitable for internal and external mounting to a telescope. For the best solution for your telescope or solar filter, please contact us for advice.


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Astronomik 1.25" Luminance L2 Filter

£50.00 *
Not in stock

Astronomik 2" UV/IR Cut Filter

£90.00 *
In stock
can be shipped within 1-2 days

Baader Planetarium 2" Ha-CCD 35nm

£118.00 *
Not in stock

Baader Planetarium 2" Blue-CCD

£136.00 *
Not in stock

Baader Planetarium 110mm D-ERF Filter only

£430.00 *
In stock
can be shipped within 7-10 days

Baader Planetarium 110mm D-ERF Filter including Custom Cell

£629.00 *

can be shipped within 21 days

Baader Planetarium 135mm D-ERF Filter only

£690.00 *
In stock
can be shipped within 1-2 days

Baader Planetarium 135mm D-ERF Filter including Custom Cell

£945.00 *

can be shipped within 21 days

Baader Planetarium 160mm D-ERF Filter only

£865.00 *
In stock
can be shipped within 1-2 days

Baader Planetarium 160mm D-ERF Filter including Custom Cell

£1,164.00 *

can be shipped within 21 days

Baader Planetarium 180mm D-ERF Filter only

£1,290.00 *

can be shipped within 5-7 days

Baader Planetarium 180mm D-ERF Filter including Custom Cell

£1,755.00 *

can be shipped within 21 days

Airylab 235mm D-ERF Filter including Custom Cell

£3,399.00 *
Not in stock

Astrograph 135mm D-ERF Custom Cell to fit 167mm Dew Shield

£259.00 *
In stock
can be shipped within 1-2 days

Astrograph 160mm D-ERF Custom Cell to fit 186mm Dew Shield

£299.00 *
In stock
can be shipped within 1-2 days

Astrograph 135mm D-ERF Custom Cell to fit 186mm Dew Shield

£259.00 *
In stock
can be shipped within 1-2 days

Astrograph 135mm D-ERF Custom Cell to fit 156mm Dew Shield

£259.00 *
In stock
can be shipped within 1-2 days
*
Prices includes VAT, plus delivery