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Old 25-09-2013, 12:44 AM
brian nordstrom (As avatar)
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brian nordstrom is offline
 
Join Date: Apr 2007
Location: Perth WA
Posts: 4,374
Oh ,,, Galileo used a singe eye lense 1644 , Hygens came along in 1660 20 years after Galileo , top of the heap in eyepiece design 1660ish and hand build .
We are spoilt .
Brian
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