Tele Vue 13.0 Ethos (ETH-13.0) AC Power 3 Resolution (Rayleigh): 0

3 Resolution (Rayleigh): 0

" The Everbrite's body is machined from one solid block of aluminum for permanent alignment

John Dobson

86") Optical Tube: Aluminum Optical Tube Length: 838

minimized vignetting and providing a 55 mm outer housing diameter throughout

Tele Vue 13.0 Ethos (ETH-13.0) AC Power 3 Resolution (Rayleigh): 0We have not specifically endorsed the 13mm Ethos for Bino Vue use because of the large diameter barrel. Even so, we were advised by Mike Harvey at the Winter Star Party (February 2008) that only 1 person in 25 had interpupilary limits with the bino'd Ethos (63. 5 mm for the initial production 13mm). However, since many of our customers have been thrilled with the experience, we have maximized the potential use by narrowing the barrel from 63. 5 mm to