Thread: Are my eyepieces any good?
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Old 25-05-2012, 11:36 AM
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pgc hunter
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Join Date: Feb 2009
Location: Renmark, SA
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The 2.5mm is a BO/TMB planetary eyepiece. With a 10" F/5 it will yield 500x so will only be useful on the rare occasion of excellent seeing. But, when you do get that special night, you will be glad you have it!
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