Wide FOV optics are really, really, really hard to do well and brute
forcing it can result in intolerable visual aberrations. Distortion
correction in VR does not follow textbook rules of optics and distortion
naivety is the achilles heel of a large ...
Titans was my very favorite thing for at least 6 months until it got
forever dethroned by the greatest piece of VR content ever produced.
Dumpy! Going Elephants. Where's the remaster for that?
The B lenses are identical just with a different sized eyecup. I
remember for a while there were people printing out parts to raise the
height of the B cup to convert it to an A.