Coronado Blockfilter BF 5mm 1.25"

 

PRODUCT DESCRIPTION

 

 

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

 

 

SPECIFICATIONS

Capacity

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Connection (to the telescope)
1,25"
Connection ( to eyepiece)
1,25"
Viewing posture
90°

General

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Type
Solar Filters
Type of build
Blocking Filter