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I had an opportunity to play with the eyepieces. The test was over about four hours. Seeing was variable, improving as time progressed. The outcome of the experiment can only be considered indicative, for any number of reasons.
The UO orhtos gave a 'more pleasing view' of individual stars than the Pentax. Jupiter looked about the same, but revealled a separate problem! Anything else saw the Pentax ahead, very much so on DSO.
Adding the focal reducer produced the same outcome in the comparison. The best views from both types came with the reducer installed.
I suspect the standard Celestron diagonal is not good, scattering light. Neither type of eyepiece gave brilliant views of the planet.
The experiment has been a success, in that I have seen the value of of orthos, and will purchase a 12mm and 25mm (and maybe a 6mm), and a quality diagonal.
Again, thanks to Matt for lending the UO eyepieces!!!!!
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