H-alpha blocking filter

H-alpha Blocking Filters

Blocking filters are used behind the primary lens and offer the same protective effect as ERF filters in front of the lens. In various configurations, they are essential for safe Sun observation.

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Picture of CORONADO - 10 mm blocking filter

CORONADO - 10 mm blocking filter

CORONADO - 10 mm blocking filter
779.00 €
Delivery date : 2-3 months
 
 
Picture of CORONADO - 15 mm blocking filter

CORONADO - 15 mm blocking filter

CORONADO - 15 mm blocking filter
999.00 €
Delivery date : 1-4 days
 
 
Picture of CORONADO - 30 mm blocking filter

CORONADO - 30 mm blocking filter

CORONADO - 30 mm blocking filter
2890.00 €
Delivery date : 1-4 days
 
 
Picture of LUNT B1200d2 Blocking-Filter in 2 inch zenith mirror diagonal

LUNT B1200d2 Blocking-Filter in 2 inch zenith mirror diagonal

For free combination with a Lunt-Solar-Systems H-alpha solar-telescope or -filter
1299.00 €
Delivery date : 3-4 days
 
 
Picture of LUNT B1800d2 Blocking-Filter in 2 inch zenith mirror diagonal

LUNT B1800d2 Blocking-Filter in 2 inch zenith mirror diagonal

For free combination with a Lunt-Solar-Systems H-alpha solar-telescope or -filter
1999.00 €
Delivery date : 3-4 days
 
 
Picture of LUNT B1800s Blocking-Filter in extension tube

LUNT B1800s Blocking-Filter in extension tube

For free combination with a Lunt-Solar-Systems H-alpha solar-telescope or -filter
1999.00 €
Delivery date : 3-4 days
 
 
Picture of LuntSolarSystems - Blocking Filter B1200 1,25'' - in star diagonal with T2 connection

LuntSolarSystems - Blocking Filter B1200 1,25'' - in star diagonal with T2 connection

1299.00 €
Delivery date : 3-4 days
 
 
Picture of LuntSolarSystems - Blocking Filter B3400s 2'' - in extension tube with T2 and 2'' connection

LuntSolarSystems - Blocking Filter B3400s 2'' - in extension tube with T2 and 2'' connection

3399.00 €
Delivery date : 1 week
 
 
Picture of LuntSolarSystems - Blocking Filter B600 1,25'' - in Star diagonal with T2 connection

LuntSolarSystems - Blocking Filter B600 1,25'' - in Star diagonal with T2 connection

699.00 €
Delivery date : 3-4 days
 
 
Picture of LuntSolarSystems - Blocking Filter B600 2'' - in extension tube with T2 and 2'' connection

LuntSolarSystems - Blocking Filter B600 2'' - in extension tube with T2 and 2'' connection

The B600 is for maximum focal length 540mm, B1200 is for 1080mm, B1800 is for 1620mm and the B3400 is for 2880 mm maximum focal length.
699.00 €
Delivery date : 1 week
 
 
Picture of CORONADO - 5 mm blocking filter

CORONADO - 5 mm blocking filter

CORONADO - 5 mm blocking filter
529.00 €
Delivery date : 1-4 days
 
 
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