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Coronado Blocking Filters

Coronado Blocking Filters
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Price:  £372.00(Inc. 20% VAT)
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Product Code:  BF5
Manufacturer:  Coronado


Coronado Blocking Filters - Blocking filters for Coronado primary filters.

Coronado 5mm Blocking Filter
SKU: BF5. Cannot be used without a SolarMax front cell. Coronado BF-5 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. Secondary interference filter for full disc image of the Sun for telescopes up to 500mm focal length.

Coronado 10mm Blocking Filter
SKU: BF10. Cannot be used without a SolarMax front cell. Coronado BF-10 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. Secondary interference filter for full disc image of the Sun for telescopes up to 1,000mm focal length.

Coronado 15mm Blocking Filter
SKU: BF15. Cannot be used without a SolarMax front cell. 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. Secondary interference filter for full disc image of the Sun for telescopes up to 1,500mm focal length.

Coronado 30mm Blocking Filter - Straight through (see picture 2)
SKU: BF30. Cannot be used without a SolarMax front cell. Coronado BF-30 (straight through) 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. Secondary interference filter for full disc image of the Sun for telescopes up to 3,000mm focal length, with precision machined 2" barrel diameter. Requires 2" focuser.

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