Daniel Beringer from Frontier Optics sells both Pentax XW's and XF's. He is an excellent operator and his service is first class. He will also do his best to supply you the item at the best possible price.
Some of the the other eyepiece lines Daniel also sells are, University Optics HD orthoscopics, Konigs and W70's; Williams Optics UWAN and SWAN; Denkmeier 14mm and 21mm and Burgess/TMB Paragon and Planetary.
www.frontieroptics.com.au
CS-John B