Thread: 4" focusers, enormous imaging circles
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Old 13-10-2020, 09:16 PM
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DavidTrap (David)
Really just a beginner

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Join Date: Jun 2009
Location: Brisbane
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You also can't use the 67 Flattener with the TOA-130 if it only has the 2.7 inch focuser. I had to purchase a Feathertouch focuser to replace the 2.7 inch focuser on the TOA I had so that I could use the 67 flattener.

DT
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