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My 102 has a FL of 703mm, and a focal ratio of F/6.9. There are baffles in front of the flattener and 1 between the flattener and focuser. The front cell is an air spaced triplet , I think. I wouldn't use a reducer on it but was thinking about the CPC 800 now that I'll be mounting it on a wedge.
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Si non potes inimicum tuum vincere, habeas eum amicum and ride a big blue trike.
"'Bipartisan' usually means that a larger-than-usual deception is being carried out."
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