>>388481315
This tends to happen, where the written description of a demo doesn't actually mention what the point of the paper was, but only tells you about how cool the demo is. From the image, it seems like they are doing some things with lenses as well as passthrough. The paper may in fact be more about proving out good high brightness passthrough rather than HDR itself. Or some process to make displays more efficient. Or some process to make lenses more efficient. Or some other design.