The New Pentax XL is here !!! - Eyepieces - Cloudy Nights
Hutech Astronomical Products - Pentax Eyepieces
Amazon.com : PENTAX smc PENTAX XW40-R, 2-Inch Eyepiece for Telescopes High-Performance Eyepiece with an Extra-Wide 70°Apparent Angle of View, 20mm Eye Relief Original Multi-Layer Coating All-Weather Made in Japan : Electronics
Hutech Astronomical Products - Pentax Eyepieces
Pentax SMC XW 16.5mm Eyepiece (2") 70540 B&H Photo Video
Pentax XL / XW | Ralph Rogge | Flickr
Quick test - Radian 6 vs Pentax XL 7 - Eyepieces - Cloudy Nights
Pentax 5mm XW extra wide angle eyepiece | Astronomics.com