Thanks for the information. Probably 99% of my spotter use is for bench/range shooting and it never occurred to me to check my Pentax
XW 14 eyepiece at infinity. So I got my heavy duty tripod
out of the truck and set up my Celestron
Regal 80F-ED, testing both the XW and OEM Regal eyepieces. It's lousy weather here today so all of this was done from the bedroom window, but with a view of several miles.
The XW eyepiece barrel does indeed leave about 3/16" barrel exposed when it's fully seated. Just an estimation, but I'm guessing the XW lens Celestron
is talking about is recessed a little over 1"from the end of the barrel. But in my "tests," the XW focused on roof vent pipes on houses several miles away. So did the Celestron
OEM eyepiece of course, but the Pentax
gave a noticeably better, and focused, "picture."
I'm not into astronomy, but you have piqued my interest. I'm happy with this or any other scope/eyepiece arrangement that will let me see .223 holes at 250-300 yards or (hopefully) .243 at 500. But now I'm going to have to set up in my driveway the next clear night and see what the man in the moon looks like through both eyepieces. It won't change my opinion of the XW 14--it's still a great eyepiece for my uses--but should be interesting.
Of course, another option is to buy a Pentax
80 ED body, but I think I'll try it my way first: use the XW 14 for range and field and change to the OEM eyepiece if I ever have to look at the stars.