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Old 17-02-2014, 09:56 AM
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Allan
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Allan is offline
 
Join Date: Feb 2013
Location: Newcastle
Posts: 937
The only comment I will make is I don't like short focal length Plossls and Orthos. The 7.5mm Plossl will have an eye relief of 6mm which in my mind is a nightmare. I find it much easier to observe for long periods with long ER eyepieces, and I end up seeing more with them.
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