![]() ![]() On the front is the lens with a red accent ring protected by a permanent clear plastic piece, the proximity sensor, and the Nebula badge in red (matching the accent ring). As always though, keystone adjustment can affect overall brightness and resolution quality, especially in extreme positions. ![]() All of these options could be adjusted manually, but they do a great job in their automated mode, so I never felt the need to do so. There's also the option to have them automatically adjust if the projector is moved while it's running. They can be enabled on startup so you don't even need to manually activate them once the projector is turned on. There are multiple set-up features on the Laser 4K to get it up and running in moments, including auto keystone, auto focus, and auto screen fit. It has a rectangular shape with curved edges and measures 10.4 x 6.5 x 10.4 inches (HWD) including the handle height. The underside of the handle has a rubberized surface that feels comfortable when you pick it up and at 10.7 pounds, it's a comfortable weight to transport. The Nebula Cosmos Laser 4K takes the portable idea to heart by including a built-in handle on the top of the projector. For full positioning distances, check the ProjectorCentral Nebula Cosmos Laser 4K projector throw calculator. The fixed lens has a throw ratio of 1.27:1 that can project image sizes between a 60-inch diagonal (at 5.51 feet from the screen) and a 150-inch diagonal (at 13.85 feet away). The laser has a life of 25,000 hours, and uses a DLP chip with fast pixel-shifting technology to achieve a 3840x2160 resolution. Anker rates the brightness at 1,840 ANSI lumens, though I measured a bit less than that at 1,702 lumens. But those are all 1080p with less claimed light output than the Nebula Cosmos Laser 4K. FeaturesĪs I said above, portable projectors have primarily relied on LED technology as a light source, apart from a few from Epson and LG-such as the Epson EqipVision Mini EF11 and EF12, and LG HF80LA. There's also built-in speakers that sound pretty good and a light sensor to protect the eyes of anyone who accidentally moves in front of the lens. It's designed with portability in mind and includes auto setup features for keystone correction, focus, and screen fit (which adjusts the image size to your screen). Orders for the Nebula Cosmos Laser 4K began on Kickstarter with an early bird special of $1,499, but the MSRP for the model is $2,199. The Nebula Cosmos Laser 4K, however, has a rated light output of 1,840 ANSI lumens and the price to go with it. But out of all of Anker's previous portable LED models, the highest rated brightness was 500 lumens (they had two non-portable models-the Cosmos 1080p and Cosmos Max at 810 and 1,500 rated lumens, respectively). After years of LED projectors such as the Nebula Capsule II and Nebula Mars II Pro, the Nebula Cosmos Laser 4K is Anker's first foray into the portable laser projector world (there's also the 1080p version Cosmos Laser being released at the same time). LED light sources have long been the go-to technology for portable projectors, but we're now seeing more laser light sources enter the market. This review, which originally cited the projector for a significant miss on its brightness spec, has been updated accordingly.-Rob Sabin This and the 1080p-resolution sister product the Nebula Cosmos Laser were reduced from an original spec of 2,400 ISO lumens to 1,840 ANSI lumens, while the Nebula Cosmos went from a claimed 900 lumens to 810 ANSI lumens. But at $2,199 MSRP, its accuracy and remote functionality flaws stand out.Įditor's Note: In late February 2023, Epson and Anker Nebula announced settlement of a lawsuit in which Anker agreed to re-specify the lumen rating for the Nebula Cosmos Laser 4K reviewed here and two other projectors. The Nebula Cosmos Laser 4K is Anker’s first portable laser projector and it includes great easy setup features found in their other portable models and good light output. ![]()
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