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 apparent field of view
LED-illuminated double crossline reticle has adjustable focus and brightness
Illuminator requires three GP-189 batteries (included)
Great for accurate polar alignment, the 4-element Plossl design is also well suited for off-axis guiders, where light gathering is minimal. Features fully multi-coated lenses for maximum light transmission, and a 40-deg apparent field. LED-illuminated double crossline reticle has adjustable focus and brightness. SR-54 batteries included. 1.25" diameter.