Tele Vue 3-6mm Nagler Planetary Zoom Eyepiece - 1.25" - ENZ-0306 1.25" adapter First of all

First of all

while staying within your budget

IPD Min: 56 mm (2

Only 2 elements of high index glass were required to reduce all aberrations to well below the airy disc in an f/4 system

Tele Vue 3-6mm Nagler Planetary Zoom Eyepiece - 1.25" - ENZ-0306 1.25" adapter First of allAbout the TeleVue 3 6mm Nagler Planetary Zoom Eyepiece According to "Sky & Telescope" magazine: There have been zoom eyepieces in the past, but none quite like the Tele Vue 3mm 6mm Nagler Zoom. Since the time of Galileo, short focal length (hence high magnification) telescope eyepieces have been notoriously difficult to look through. That has changed in recent years, especially with the introduction of the TeleVue Telescope Radian Eyepiece line (a