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TVO Logo 1977 to 2017
100° & 110° Apparent Field Eyepieces Eyepieces > Ethos > 10mm
Model #ETH-10.0
Focal Length (mm)10
Barrel Size (in.)2" & 1"
Apparent Field of View (deg.)100
Eye Relief (mm)15
Weight (lb / oz)1.10 / 17.6
Field Stop (mm)17.7
Compare to similar focal lengths
“Fantastic accomplishment of optical engineering!”
—S.B., GA

The 10mm is parfocal with the 13mm ETHOS.

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

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