The Cosmos 4K SE Projector takes this to the next level, with the ability to project your videos and photos in crisp 4K Dolby Vision, with a brightness technology called HybridBeam that can display content at 1,800 lumens. NEBULA Cosmos 4K SE Projector | $1299 $1099 at Amazon In our brief time with the projector, it's clear that the Cosmos 4K SE is one of the best you can buy. When you combine the brightness levels that the Cosmos 4K SE is capable of, as well as the ability to watch the best Apple TV Plus shows, as well as use apps like Hulu, Netflix, and YouTube thanks to Google TV, you've got a fantastic projector that you can take anywhere, bringing the full cinema experience with you.