Table 2.
Basic technical specifications for commercially available optical see-through head-mounted displays.
| Google Glass 2 | HoloLens 1 | HoloLens 2 | Magic Leap 1 | Magic Leap 2 | |
|---|---|---|---|---|---|
| Specifications | |||||
| Release Date | 2019 | 2016 | 2019 | 2018 | 2022 |
| Price | $999 | $3000 | $3500 | $2295 | $3299 |
| Status | Available | Discontinued | Available | Available | Upcoming |
| Design | Glasses-like | Hat-like | Hat-like | Glasses-like | Glasses-like |
| Weight | 46 g | 579 g | 566 g | 345 g | 260 g |
| Battery life | 8-h | 2.5-h | 3-h | 3/3.5-h | 3.5-h continuous use 7-h sleep mode |
| Interaction | Touchpad | Head, hand, voice | Head, hand, voice | Controller | Eye, controller |
| Eye Tracking | No | No | Yes | Yes | Yes |
| Computing | On-board | On-board | On-board | On-board | External pad |
| Field of View | 30° diagonal | 30 × 17.5° | 43 × 29° | 40 × 30° | 44 × 53° |
| Focal Planes | Single Fixed | Single Fixed | Single Fixed | Two Fixed | Single Fixed |
| Optics | Beam Spitter | Waveguide | Waveguide | Waveguide | Waveguide |
| SLAM | 6 DoF | 6 DoF | 6 DoF | 6 DoF | 6 DoF |
| PRO | Super lightweight and very unobtrusive; battery life |
Comfortable; easy to use; support for Microsoft platforms |
Comfortable; easy to use; very elegant device high-quality materials; navigation with hand gestures and voice; excellent positional tracking |
Large FoV | Largest FoV |
| CONS | Intended for developers, only a few applications available natively | Small field of view; text can be difficult to read |
Battery life; less suitable for industry |
Price; battery life |
Less suitable for use in heavy industry |
SLAM: simultaneous localization and mapping capabilities; DoF: degrees of freedom.