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filters

Coronado 5mm Blocking Filter - BF5

Coronado   ——   SKU: COR-BF5
$425.66 CAD
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About the Coronado 5mm Blocking Filter...

The Coronado BF-5 solar blocking filter is a 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. It cannot be used without an SM front cell.

 

Secondary interference filter for full disc image of the Sun for telescopes up to 500mm focal length.

 

 

Coronado 5mm Blocking Filter Features...

 

  • Secondary interference filter for full disc image of the Sun for telescopes up to 500mm focal length.

     

     

  • 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.

     

     

  • It cannot be used without an SM front cell.

 

 

Coronado 5mm Blocking Filter Specifications...

Filter Type: Solar Blocking Filter for H-Alpha Filters

Format: 1.25" Right Angle Diagonal

Application: Telescopes up to 500mm focal length

Coronado Product Number: BF5