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8" F/6, Optimum Secondary Size?

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Posted by Marty Pinson on September 6, 2001 14:47:29 UTC

Was originally planning a 10" but I came across a good deal on a 8" mirror with a 3mm chip on the edge. So what would be the choice on the secondary. I found a good deal on a 1.50 and a 1.83. My illumination would be excellent with the 1.83 or is it getting to big?

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