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Coronado Blockfilter BF 5mm 1.25″

459.00

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SKU: 52879 Category:

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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 a Solarmax H-alpha front cell.

There are four versions of the Coronado Blocking Filter (BF):

  • BF 5mm for telescopes up to 500mm focal length
  • BF 10mm for telescopes up to 1000mm focal length
  • BF 15mm for telescopes up to 1500mm focal length
  • BF 30mm for telescopes up to 3000mm focal length

Product number: 52879

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