Reddit reviews Ajax Scientific Polished Glass Double Lenses Spherical (Bi-Concave), 38mm Diameter, 50mm Focal Length
We found 1 Reddit comments about Ajax Scientific Polished Glass Double Lenses Spherical (Bi-Concave), 38mm Diameter, 50mm Focal Length. Here are the top ones, ranked by their Reddit score.
Ajax Scientific double Bi-concave lensMade of polished glass with ground edgesUsed for reducing the size of speading out light, with two inward curving symmetrical faces38-millimeters diameter50-millimeters focal length
Next step is figuring out what lens to buy.
Assuming a 5" screen size, Google calls for lenses with a 25mm diameter and a 40mm focal length. With a bigger screen, you might be able to work with 38mm/50mm lenses, but I'm not sure. I'd probably just try and get my hands on the regular lenses first to see if they can work on your Note 3. You may have to engineer a second revision of your headset to get it perfect.