Tele Vue 7mm Nagler Type 6 Eyepiece - 1.25" - EN6-07.0 Diagonals Barrel Size: 3"

Barrel Size: 3"

the increase can be significant and not without performance consequences

prerequisites for an eyepiece used mainly for lunar and planetary viewing are usually different than those required for huge objects like galaxies and nebulae

25" telescope eyepieces

Eye Relief: 26

Tele Vue 7mm Nagler Type 6 Eyepiece - 1.25" - EN6-07.0 Diagonals Barrel Size: 3"About the TeleVue 7mm Nagler Type 6 Eyepiece 1. 25" The 7 element, TeleVue 7mm Nagler Type 6 Eyepiece design is based on the original patented Nagler design. This new 7 element TeleVue Telescope Eyepiece design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al has massaged more eye relief, contrast, and true field of view into the shorter focal length