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Front Hydrogen Alpha FIlters

Front Hydrogen Alpha FIlters

Front Hydrogen Alpha FIlters

 

By adding one of these front mounted H-Alpha etalon filters and a rear mounted blocking filter, you can convert any night time refractor to become a powerful H-Alpha solar telescope. The etalons available are simply screwed to a separate adapter that fits your current telescopes dew sheild. All the etalons have a tilt function to allow for tuning and can be double stacked with an additional front filter.


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Double Stack unit for Lunt LS50 Solar Telescope, Provides <0.55 Angstrom bandwidth.

£1,292.00 *


can be shipped within 7-10 days

Front Mounted 50mm Etalon to fit Lunt Solar Scopes with M90 thread

Normal Price £1,356.00
£1,149.00 *
You save £207.00

In stock
can be shipped within 1-2 days

Front Mounted 50mm Etalon to fit Lunt Solar Scopes with M90 thread

£1,356.00 *

In stock
can be shipped within 1-2 days

Adapter to convert M90 thread of LS50 Filter to M80 of LS50 Scope for double stacking

Normal Price £198.00
£178.00 *
You save £20.00

In stock
can be shipped within 1-2 days

Front Mounted 50mm Etalon with B1200 (12mm) Blocking Filter in 2" Diagonal

£2,099.00 *


can be shipped within 7-10 days

Front Mounted 60mm Etalon with B1200 (12mm) Blocking Filter in 2" Diagonal

£2,799.00 *


can be shipped within 7-10 days

Front Mounted 100mm Etalon with B1200 (12mm) Blocking Filter in 2" Diagonal

£7,999.00 *


can be shipped within 7-10 days

*
Prices includes VAT, plus delivery