There is tools like Lux meters that measures that.
In that case I think the other commenter was suggesting that a lot of marketing bullshit can be misleading. So dont trust the marketing stuff and go for trusted reviewers.
The brightness is an important value for a VP.
eco_game@discuss.tchncs.de 6 days ago
Verifying yourself wasn’t what I meant, sorry that was a bit unclear. I meant make sure you don’t fall for marketing bs, and maybe try to use the same good source of info for comparison. I usually compare projector specs on www.projectorcentral.com, they have specs on the vast majority of projectors out there.