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 62-mm diameter for eyepieces delivered beginning mid-March.
3/30/2016 · With a 13mm focal length evoking the original Nagler revolution, the field area of this new eyepiece is more than 50% larger than an 82° field. The Tele Vue Ethos is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field eyepiece with the benefits of higher power and darker sky background.
With a 13mm focal length evoking the original Nagler revolution, the field area of this new eyepiece is more than 50% larger than an 82° field. The Tele Vue Ethos is essentially multiple e Product information, With a 13mm focal length evoking the original Nagler revolution, the field area of this new eyepiece is more than 50% larger than an 82-degree field. The Tele Vue Ethos is essentially multiple eyepieces, delivering the true field size of a longer focal length, narrower apparent field telescope eyepiece with the benefits of higher power and …
8/21/2010 · Comparing the view through the 13mm Ethos and the 35mm Panoptic confirmed one of the advantages of a shorter focal length and a wider field cf. the other way round. The sky was much brighter with the Panoptic and the contrast much enhanced (as expected of course) in the Ethos .
5/4/2017 · Bought used TV Ethos 13mm …but there is a problem – posted in Eyepieces: I bought this from a shop that some of you probably know. I knew it was in used condition and requested pictures to check for blemishes. The retailer sent some pictures and said that they couldnt see any problems with it. Yet, when I opened it up, I immediately saw this obvious damage to the lens coating.
