Coronado BF15 Blocking Filter (BF15)
$964.62
Coronado BF15 Blocking Filter
The Coronado BF15 Blocking Filter is the second element in any Coronado H-alpha system and is just as crucial to your safety and to 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.
Clear Aperture: 15mm
Connection Telescope Side: 1.25″ Barrel
Connection Eyepiece Side: 1.25″ Holder
BF15 Blocking Filter (Diagonal)
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