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Picture of Custom Scientific H-Alpha 656.3/4.5 1.25" w/AR Coatings (Mounted)

Custom Scientific H-Alpha 656.3/4.5 1.25" w/AR Coatings (Mounted)

Manufacturer : Custom Scientific
Part Number : HA125AR

Hydrogen-alpha 4.5nm passband. This filter is designed for non-solar imaging, and is used to image deep-sky objects that emit in the h-alpha passband. It is too wide for solar-prominence viewing, but is ideal for deep sky. Filter has Anti-Reflective Coatings.
Hydrogen-alpha 4.5nm passband. This filter is designed for non-solar imaging, and is used to image deep-sky objects that emit in the h-alpha passband. It is too wide for solar-prominence viewing, but is ideal for deep sky. Filter has Anti-Reflective Coatings.
 
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