Could the Oort Cloud create an Einstein's ring?

No. Total mass assumed to be tiny, and it is also dispersed. Large bodies can produce a Gravitational lens effect. But they'd need to be planet-sized, at least. read more

The mass of the Oort cloud is nowhere, and worse, we're in the middle of it. So that seems unlikely. read more

The Oort cloud (/ ɔːr t, ʊər t /), named after the Dutch astronomer Jan Oort, sometimes called the Öpik–Oort cloud, is a theoretical cloud of predominantly icy planetesimals proposed to surround the Sun at distances ranging from 50,000 and 200,000 AU (0.8 and 3.2 ly). read more

New Scientist magazine says of this Oort Cloud, “We can be quite confident the Oort cloud exists even though we have never actually imaged an object.” We can’t see it, but we know it’s there! This, unfortunately, is the length that people have to go to when they do not want to start with the truth of God’s word. read more