John,
I own the 14mm Pentax XW and like it a lot.
I have also used the Orion Stratus series in several scopes including my own 10"/F5. IMO these are clearly the best value for money eyepieces currently available. The upside is, for a budget eyepiece they perform quite well in fast scopes, with reasonable edge performance and nice bright sharp stars. They have 20mm of eye-relief in all focal lengths and are very comfortable to use. These are Chinese made almost-clones of the Vixen LVW's.
For someoene on a budget with a reasonably fast scope, these are the only option IMO for a widefield with good eye-relief. The Baader Hyperion is almost identical optically to the Orion Stratus, the coatings are a little better IMO and consequently they are a little more expensive.
CS-John B
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