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Pentax XW 14mm vs. Televue Delos 14mm - Design Flaw?
I am hoping this is a fairly easy question to answer.
From what I have read the 14mm Pentax XW eyepiece seems to suffer from one reasonably significant design flaw in terms of FC when it is used in a fast Newt (f5 or less) without some type of corrector such as a Televue Parracor etc.
Consequently, my question is (which I hope is simple to answer):-
Does the 14mm Televue Delos also feature the same problems with FC??
OR
Did the folks at Televue utilise some type of different design so the 14mm Delos does not demonstrate the same problems with FC akin to the 14mm Pentax XW
My thanks in advance to whomever can offer some answers on this point.
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