Tele Vue 3.7mm and 4.7mm Ethos-SX (Simulator eXperience) - Worlds 1st Astronomical Eyepiece with 110° Apparent Field Al Nagler eagerly pushed Ethos designer Paul Dellechiaie to extend the new 3.7mm focal length to reach 110°, the same ...
Sliding metal dew shield Screw-on metal lens cover Tube ring-mount with mounting threads 2" Everbrite (99%, 1/10-wave) mirror diagonal with brass clamp ring Focusmate dual-speed focuser 10:1 1¼" eyepiece adapter with with brass clamp ...
Tele Vue 3x Barlow 1-1/4 InchOffered in 2x and 3x magnifications, these 1¼" Barlows perform identically. Simply choose either or both based on your eyepiece collection. Features include parfocal-ization, 1¼" filter threads, captive ...