Understanding Pentax XL and XW eyepieces
By Greg Nowell
6/23/2009
This is a pictorial essay including partial disassembly of the XL and XW eyepieces to see how "skinny" they can get for a binoviewer. Sundry comments on pricing and performance.
The Pentax Perplex
By Greg Nowell
5/9/2006
Pentax offers some of the finest eyepieces on the market, and is about to introduce some very impressive apochromatic refractors to the American market. Yet the company seems curiously unaware of other trends and opportunities.
Review of TeleVue Parfocal 1.25" Eyepieces
By Wing Eng
9/20/2005
My 1 ¼ inch Tele Vue eyepiece collection was recently upgraded as I went on an "eyepiece hunt" for another Tele Vue eyepiece at a local telescope dealer in the San Francisco Bay Area...