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Safety / ERF Filters

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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Blocks UV light below 380nm and IR above 680nm. For use with colour cameras and also H-Alpha solar systems

£85.00 *

In stock
can be shipped within 1-2 days

35nm H-Alpha Filter for cameras and also H-Alpha solar systems

£109.00 *

Not in stock

Blue CCD Filter for cameras and also Calcium solar systems

£109.00 *

Not in stock

Baader 110mm D-ERF Energy Rejection Filter only

£539.00 *


can be shipped within 21 days

Baader 110mm D-ERF Energy Rejection Filter with Custom Cell

£699.00 *


can be shipped within 21 days

Baader 135mm D-ERF Energy Rejection Filter only

£799.00 *

In stock
can be shipped within 2-3 days

Baader 135mm D-ERF Energy Rejection Filter with Custom Cell

£989.00 *


can be shipped within 21 days

Baader 160mm D-ERF Energy Rejection Filter only

£999.00 *

In stock
can be shipped within 2-3 days

Baader 160mm D-ERF Energy Rejection Filter with Custom Cell

£1,179.00 *


can be shipped within 21 days

*
Prices include VAT, plus delivery