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Old 16-04-2014, 09:07 AM
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Satchmo (Mark)
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Join Date: Dec 2005
Location: Sydney
Posts: 1,858
Paul - I wondered how you adjust the centration of the optical /focusser axis on the axis of the the primary with these scopes ( or alternatively the centration of the primary if the focusser is fixed). Centration of the highly aspheric primary is critical with RC's.
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