Discover the pinnacle of visual excellence with the TV Ethos 13mm eyepiece, meticulously designed to meet VISION TO INFINITY standards. The concept for this eyepiece series was proposed by Tele Vue President David Nagler, with performance parameters giving it the fundamental characteristics (the ethos) of a Tele Vue eyepiece: high contrast, comfortable eye relief, and full field sharpness. Ideal for both the amateur astronomer and the seasoned astrophysicist, this eyepiece offers a remarkable viewing experience like no other. Elevate your stargazing game with the TV Ethos 13mm and see the universe like never before.