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Old 08-11-2021, 06:20 PM
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Drac0 (Mark)
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Join Date: Feb 2020
Location: Nowra, NSW
Posts: 592
I'm using an Astro-Tech 2" Field Flattener on my 102mm F7 triplet. Designed for F/6 to F/8 refractors so should suit yours.


Cheers,
Mark.
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