• Four-element 12.5mm focal length 1.25" Plossl telescope eyepiece with an illuminated double crossline reticle • Excellent for accurate polar alignment, GoTo system alignment, IntelliScope system alignment, and acquiring and centering of guide stars for guided astrophotography pursuits • Fully multi-coated lenses provide bright views with a 40-deg apparent field of view • LED-illuminated double crossline reticle has adjustable focus and brightness