Assertion: eyepiece's eye relief | /r/HasProperty | excellent
Facets:
Source sentences:
text: They also have a 68 degree field of view, excellent eye relief and a fantastic grip to make sure you do not drop them.
text: Orthos are close to perfect eyepieces that have excellent eye relief, nearly non-existent chromatic or spherical aberration, have a fairly flat, wide field of view (40 to 50 degrees), and have little internal reflection.