Lunt B3400 Blocking Filter - 2" - Extension Tube
| Article number: | B3400S2 |
| Availability: | More on the Way to us |
| Delivery time: | More on the Way to us |
The Lunt Solar Systems B3400 Blocking Filter provides a full solar disc image when used with a Lunt Solar Systems H-Alpha Filter on telescopes with a maximum focal length of 3400mm.
The blocking filter is a necessary component for safety and performance in all solar telescopes.
This unique Lunt Solar Systems B3400 Blocking Filter design is located in a 2" extension tube housing that sports a T2 and 2" connection.
Must be used in conjunction with a front etalon.