Tele Vue 21.0mm Ethos With a 100 degree AFOV(Apparent Field Of View- 110 degree w/3.7 and 4.7mm versions), the view through a Tele Vue Ethos series eyepiece is more than 50% larger than an 82° AFOV...
Tele Vue 13.0mm Ethos With a 100 degree AFOV(Apparent Field Of View- 110 degree w/3.7 and 4.7mm versions), the view through a Tele Vue Ethos series eyepiece is more than 50% larger than an 82° AFOV...
Tele Vue 10.0mm Ethos With a 100 degree AFOV(Apparent Field Of View- 110 degree w/3.7 and 4.7mm versions), the view through a Tele Vue Ethos series eyepiece is more than 50% larger than an 82° AFOV...
Tele Vue 17.0mm Ethos With a 100 degree AFOV(Apparent Field Of View- 110 degree w/3.7 and 4.7mm versions), the view through a Tele Vue Ethos series eyepiece is more than 50% larger than an 82° AFOV...