Have you tried using pipes/kitchen towel rolls? As in, try doing something like this: 1. Zoom the images small enough to be almost parallel to your eyes. 2.

Have you tried using pipes/kitchen towel rolls? As in, try doing something like this: 1. Zoom the images small enough to be almost parallel to your eyes. 2. Make a binocular out of used kitchen rolls. 3. Each side should look at exactly one of the images It should just work. Both images should converge like they do in a binocular. (you can then try removing this DIY binocular suddenly and see if you can maintain focus)