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Old 13-06-2018, 07:41 PM
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Slawomir (Suavi)
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Join Date: Sep 2014
Location: North Queensland
Posts: 3,240
130 mm should have smaller spot size comparing to a 106mm scope. IMHO a high quality 130mm with a high quality reducer would be a more capable instrument, especially when working with KAF16200 or similarly sized sensor. One of the best reducers would have to be 0.72x Quad Telecompressor from AP that fits a 3.5" FTF. I know that CFF is testing prototypes of 0.75x reducers dedicated for their refractors. Then there are 'mass produced' Riccardi reducers, but their quality apparently varies from model to model.
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