Epson has unveiled its EH-QS100B projector with 4K PRO-UHD resolution, HDR10 support, and a super-short-throw design. It projects up to 160 inches, which makes it great for compact home entertainment setups.
https://www.notebookcheck.net/Epson-EH-QS100B-4K-laser-projector-launches-with-HDR10-and-4-500-lumens-brightness-for-home-entertainment.933216.0.html
this isn't an article or a review, it's a spec list. no context, no analysis, no comparison, no explanation... And you mention the lumens and then say you don't know if that's ANSI lumens? come on, what do you think your job is? here's a hint: it's your job to FIND OUT. This is really bad.