Microsoft unveils HoloLens 2: twice the field of view, eye tracking

Microsoft HoloLens 2.

Enlarge / Microsoft HoloLens 2. (credit: Microsoft)

As expected, Microsoft today launched HoloLens 2, the company’s second generation augmented reality (AR) headset. The new hardware addresses what were probably the two biggest issues with the first generation device: the narrow field of view, and the comfort when wearing the device.

Microsoft says that the field of view has been doubled, without any reduction in visual quality. Both first and second generation devices aim to produce around 47 pixels per degree. This resolution is around the limit of human visual acuity (the Varjo VR-1 headset also aims at around this level, though it offers 60 pixels per degree), such that individual pixels can’t be discerned, and curves look smooth even without extensive anti-aliasing. Each eye has about a 2,000×1,500 display, so while Microsoft doesn’t seem to include an actual field of view measure on its spec sheet, that comes out at around a 53 degree (diagonal) field of view.

Details of the new display system were lacking, but it appears to be a Microsoft-designed, custom-built MEMS (microelectromechanical system) display, with a tiny little electromechanical mirror used to bounce laser light around.

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Post Author: martin

Martin is an enthusiastic programmer, a webdeveloper and a young entrepreneur. He is intereted into computers for a long time. In the age of 10 he has programmed his first website and since then he has been working on web technologies until now. He is the Founder and Editor-in-Chief of and Online Magazines. His colleagues appreciate him as a passionate workhorse, a fan of new technologies, an eternal optimist and a dreamer, but especially the soul of the team for whom he can do anything in the world.

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