Tele Vue 8 mm Ethos SX 1.25"/2" Eyepiece

The Televue 8mm Ethos eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast and on-axis sharpness for planetary viewing. Televue 8mm Ethos eyepiece provides a generous 15mm of eye relief for comfortable observing. Accepts DIOPTRX eyesight astigmatism correctors. The Televue 8mm Ethos eyepiece will fit either 2" or 1.25" barrel sizes and weighs 0.95 lbs (15.2 oz.). Dramatic high magnification views combine with stunning wide field backgrounds suitable for use with binocular viewers. Apparent field: 100° Focal length: 8mm Effective field stop diameter: 13.9mm Eye relief: 15mm (accepts DIOPTRX eyesight astigmatism corrector) Barrel size: 2"/1¼" Black barrel diameter: 53.4mm Weight: 0.95 lbs (15.2 oz.)