Sitting less than one foot from the wall and projecting a 147 inch 4K image, this is an interesting projector for sure. At $50,000 it’s out of reach of most consumers but hopefully within a few short years there will me a more reasonable prospect.
This new projector utilizes laser technology rather than the conventional xenon lamps. Laser projection appears to have several advantages over xenon projection including better brightness, lamp life, and energy efficiency.
You can read more about this project on Sony’s page for the LSPX W1S.