Harlowe, a company known for lighting accessories that cater to influencers and amateurs, has released a $95 alternative called the Omni 360 that evenly illuminates with a diffused soft glow in all directions. The Omni 360's 2W of light output can be boosted to up to 4W as needed but neither mode is quite bright enough to fully illuminate a dark environment.
The first model I tried featured Lumus' optimized Z-30 waveguides, which not only offer a much wider 30-degree FOV, they are also 30 percent lighter and 40 percent thinner than previous generations. On top of that, Lumus says they are also more power efficient with the waveguides capable of hitting more than 8,000 nits per watt. This is a big deal because smartglasses are currently quite limited by the size of batteries they can use,
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Samsung's Galaxy S20 Ultra wasn't the first phone to feature a periscopic telephoto lens - both Huawei and Oppo beat the Korean company to it - but it was the first in the US to make such a big deal about it. Almost all of Samsung's marketing for the S20 Ultra centered on its so-called Space Zoom, its 5x optical folded periscope lens, capable of digitally zooming much further.