We can keep inventing and looking for new lenses to apply to our mind's eye, but for some reason, we find that every lens we try is slightly warped in different

We can keep inventing and looking for new lenses to apply to our mind's eye, but for some reason, we find that every lens we try is slightly warped in different ways. There are people who tire of the search, settle on one lens, and then think the world is fisheye-shaped.