XO Waterproof & Fogproof 5.0mm Eyepiece (1.25") with 44-Degree Apparent Field of View.
Pentax eyepieces are a regarded amongst serious amateur and professional astronomers as some of the best that's on the market.
The XO series are high-powered Plossl designs meant to squeeze every last bit of magnification out of your scope while still delivering remarkable clarity. These eyepieces have a plethora of optical advances packed into their small confines, with low-dispersion elements made from lanthanum glass.
Key Features:
- Eye relief of 3.6mm
- Apparent field of view of 44°
- Accepts 1.25" filters for astronomical applications