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Understanding IDAS D1, P2, V4 & HEUIBII Filters - Page 6 - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights
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Advice choosing IDAS LPS D2 or P2 filter. - Getting Started Equipment Help and Advice - Stargazers Lounge
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Understanding IDAS D1, P2, V4 & HEUIBII Filters - Page 6 - DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging - Cloudy Nights
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