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Old 02-07-2016, 11:08 PM
glend (Glen)
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glend is offline
 
Join Date: Jun 2013
Location: Lake Macquarie
Posts: 7,048
You could leave LP1 in place if you wish, it has a spectrum pass similiar to a uv/ir cut filter but still allows Ha through. The blue cast LP2 should come out. Be aware that LP1 has an anti-alysing function and removal can improve sharpness slightly. Therevis alot of info on this subjectvinbthe old threads, just do a search through the DIY forum.
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