Explore Scientific 82 Degrees 18mm Eyepiece - 2" Triplet APO Featuring optics of the highest

Featuring optics of the highest quality in this range or instruments the telescope has a very compact design

6mm Field Stop Diameter 31

they are indeed ruggedized and waterproof to withstand the outdoor environment

Truly a grab and go mount

1mm male and female

Explore Scientific 82 Degrees 18mm Eyepiece - 2" Triplet APO Featuring optics of the highestExplore Scientific 1. 25" 82 Series Argon Purged Waterproof Eyepiece 18 mm The 18mm 82 Series Waterproof Argon Purged Eyepiece is a popular focal length in the upper medium power magnification class providing both super wide apparent field and generous eye relief. It is perfect for any application where more power is desired including observing globular star clusters, planetary nebulae, the bright cloud structure near the nucleus of comets, initial