Pentax PENTAX smc XW 23 2-Inch Eyepiece for astronomical telescopes. Extra-Wide 85°apparent angle of View, 20mm Eye Relief Original Multi-Layer Coating All-Weather Made in Japan

Field of view of 85°The widest viewing angle in the XW series, suitable for observing nebulae and star clusters

New optical system 7 elements in 5 groups that surpasses the conventional XW series to obtain sharp star images all the way to the edge of the field of view

Original multi-layer coatingOutstanding light transmission efficiency is available.

Advanced light-shielding technology Useful for improved image contrast

Weather-resistant* construction Reliable for All-Weather viewing *The XW series features a weather-resistant structure of JIS class 4 *. It cannot be used underwater.