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Home > Classifieds > Astromart Classifieds > Eyepieces > Classified #238456

For Sale: 20 MM Expanse clone --- SOLD

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20 mm Expanse-like eyepiece.
Same specs as the Orion Expanse. This is not a good eyepiece for fast scopes. In my 5.6 Dob it has considerable coma off axis. Much better in my 150 F8 refractor. Still the outer 10 to 15 % has coma. It is sharp on axis. Gave great views of Saturn barlowed with an Orion shorty 3 element Barlow. Barlows well because it only has 4 elements. Would probably work well in an F10 SCT. The wide field and long eye relief make it easy to use and the price is right --- $25 shipped CONUS.

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