Tele Vue 9mm Nagler Type 6 Eyepiece - 1.25" - EN6-09.0 Focuser Extension Tubes 25" filter threads

25" filter threads

5 Mega pixel color sensor with Micron Digital Clarity technology to dramatically reduce image noise levels

Concerts & live events and Boating

Waterproof and Fogproof: Nitrogen purged to prevent internal fogging of the lenses

and eye relief

Tele Vue 9mm Nagler Type 6 Eyepiece - 1.25" - EN6-09.0 Focuser Extension Tubes 25" filter threadsAbout the TeleVue 9mm Nagler Type 6 Eyepiece 1. 25" The 7 element, TeleVue 9mm 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