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Helical focusers


Helical focusers

1) Novak 2” 2) KineOptics HC-1 1.25" 3) Antares FOCH 2” 4) Orion fine-focusing 1.25" adapter 5) Unknown 1.25" (maybe Edmund??) 6) Baader T2 1.25" microfocuser 7) Towa Seen CloudyNights thread here: http://www.cloudynig.../Number/5979643






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