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Hello I`m thinking of purchasing a Skywatcher 250 Quattro but i`m not sure how i`d connect my QHY 168C to a coma corrector. Can anyone push me in the right direction of adaptors i`d possibly need? I`m currently using an 8" RC @ f8 but i`m tempted to try a fast newtionian.... Thanks for reading Alan |
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| It should have been furnished with a M54/T-Thread adapter with which you would normally attach most CC. Does it have one? |
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| Yes i have it. Would it give me the 55 mm backfocus though? |
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Alan Hancox: No, it won't. The M54 to sensor distance is 18mm plus the T-Thread adapter thickness. The difference you'll need to make up for using spacer rings. |
