15mm Blocking Filter (1.25")


15mm Blocking Filter (1.25")

Regular price
$ 779.99 Sold out
Sale price
$ 779.99
Unit price

All sales of solar gear are final, so please choose your filter carefully and reach out with any questions.


Coronado BF-15 right angle (1.25" diagonal) type secondary blocking filter. The blocking filter is the second element in any Coronado H-alpha system, it is just as crucial to your safety and the system's performance as the front element. Cannot be used without an SM front cell.
Secondary interference filter for full disc image of the Sun for telescopes up to 1,500mm focal length.

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