100° & 110° Apparent Field Eyepieces
|TeleVue.com: Eyepieces > Ethos > 10mm|
|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|
|Compare to similar focal lengths|
“Fantastic accomplishment of optical engineering!”
The 10mm is parfocal with the 13mm ETHOS.
Its 59mm rubber grip diameter makes this model usable in binocular viewers — for most people.