Thread: Eyepiece advice for a C925 Celestron.
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Old 24-09-2014, 11:22 AM
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Amaranthus (Barry)
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Amaranthus is offline 		 
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Location: Judbury, Tasmania
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The new reducer for the C8 has 105mm (nominal) backfocus, but it can vary from 55 through to over 200 mm - the distance affects the magnitude of the FR.
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