Diffractive Lens vs. Google Cardboard’s Asphere

As I mentioned in my last post, Google Cardboard is the interim hardware for developing Daydream apps.  The lenses look very similar to those used in the Oculus Rift development kits, although a bit faster and smaller in diameter.  The field of view is also a bit smaller.  On-axis, the MTF is nearly perfect, but off axis … Continue reading Diffractive Lens vs. Google Cardboard’s Asphere