Pentax XW 40mm 70-Degree Eyepiece – 2″

These Pentax XW 40 mm 70-Degree Eyepieces are specially designed to offer an excellent Extra Wide field-of-view while the fully multi-coated lenses increase light transmission and color quality. The perfect eyepiece for viewing nebula, planets, and exploring the night sky.

All of the Pentax XW eyepieces offer a 70 field of view for comfortable viewing. The XW30-R eyepiece was designed specifically to provide ideal viewing when used with a telescope.

Advanced Technology Advanced computer simulation design technology was used to drastically reduce internal reflections, producing brighter, clearer images.

Durable Design JIS Class 4 weatherproof construction makes these eyepieces more durable.

Key Features of the XW Eyepiece Line:

• Part of the 70 Field of View Series with 1.25″ and 2″ Eyepieces.
• There is a 20 mm of eye relief on all focal lengths in this series, making them easy for viewers with and without glasses.
• Available in 3.5 mm, 5 mm, 7 mm, 10 mm, 14 mm, and 20 mm focal lengths have 1.25″ barrel. The 30 mm, and 40 mm focal lengths have 2″ barrels.
• Extra-Low-Dispersion Lanthanum Glass.
• Weatherproof (not submersible).
• Phase Coating on all surfaces.
• Light Shielding Diaphragm to Drastically Reduce Internal Reflections.
• Adjustable twist-up eye cup.

• This 70 Field of View eyepiece has a focal length of 40 mm and a 2″ barrel.
• There is a 20 mm of eye relief making it easy to use for viewers both with and without glasses.
• Extra-Low-Dispersion Lanthanum Glass.
• Weatherproof (not submersible).
• Phase Coating on all surfaces.
• Light Shielding Diaphragm to Drastically Reduce Internal Reflections.
• Adjustable twist-up eye cup.