Televue Ethos 100-deg FOV Eyepiece - 10mm

CA$829.39
Model # ETH-10.0
Focal Length (mm) 10
Barrel Size (in.) 2" & 1¼"
Apparent Field of View (deg.) 100
Eye Relief (mm) 15
Weight (lb / oz) 1.10 / 17.6
Field Stop (mm) 17.7

The 10mm is parfocal with the 13mm ETHOS.

Its 59mm rubber grip diameter makes this model usable in binocular viewers — for most people.

ETH-10.0