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Old 03-07-2019, 07:36 PM
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MortonH
Deprived of starlight

MortonH is offline
 
Join Date: Nov 2006
Location: Sydney
Posts: 3,215
The XF 8.5mm is very sharp and lightweight. It's been suggested/confirmed that it doesn't have the very best coatings like the more expensive XW line. My own experience was that there's a little bit of reflection from bright objects like planets but I still regard it as an excellent eyepiece. Eye relief is 18mm from memory.
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