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

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.


Models and Prices


Product Code Product Description Opticstar Retail Price Purchase at
Opticstar.com
BF10 Coronado 10mm Blocking Filter for SolarMax £590.00
BF15 Coronado 15mm Blocking Filter for SolarMax £825.00
BF30 Coronado 30mm Blocking Filter for SolarMax £1,885.00

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