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#REDIRECT [[Microsoft HoloLens 2]]
{{Device Infobox
|image =
|VR/AR = [[Augmented Reality]]
|Type = [[AR Headset]]
|Subtype = [[Enterprise AR]]
|Platform = [[Windows Holographic]]
|Developer = [[Microsoft]]
|Manufacturer = [[Microsoft]]
|Release Date = November 7, 2019
|Announcement Date = February 24, 2019 (MWC)
|End of Life = Discontinued (software support until Dec 2027)
|Price = $3,500 USD
|Website = https://www.microsoft.com/hololens/
|Predecessor = [[Microsoft HoloLens]]
|Chipset = Qualcomm Snapdragon 850 + HPU 2.0
|Display = Waveguide (see-through)
|Resolution = 1440x936 per eye
|PPD = 47 PPD
|Refresh Rate = 60 Hz
|Field of View = 52° diagonal
|Ocularity = Binocular
|Eye Tracking = Integrated
|Hand Tracking = 25-point articulation per hand
|Audio = Spatial audio speakers
|Battery = ~3 hours
|Connectivity = Wi-Fi, Bluetooth 5.0, USB-C
|Weight = 566g
}}
 
The '''Microsoft HoloLens 2''' is an enterprise [[augmented reality]] head-mounted display developed by [[Microsoft]], announced February 24, 2019 at MWC and released November 7, 2019 at $3,500. The second-generation HoloLens featuring expanded 52° diagonal field of view (2x+ vs HoloLens 1), 1440x936 per eye waveguide displays, Qualcomm Snapdragon 850 with improved Holographic Processing Unit, fully articulated hand tracking (25 points per hand), eye tracking, carbon fiber construction, untethered operation, and Windows Holographic platform. Targeting enterprise workers in manufacturing, healthcare, and field service.
 
== History and Development ==
 
Microsoft unveiled HoloLens 2 at Mobile World Congress in Barcelona on February 24, 2019, led by developer Alex Kipman. Shipping began November 7, 2019. HoloLens 2 addressed criticisms of the original HoloLens (narrow FOV, comfort, gesture limitations) while maintaining the untethered design. An Industrial Edition was released for regulated environments. Microsoft announced discontinuation but committed to software updates through December 31, 2027.<ref name="microsoft">{{cite web |url=https://learn.microsoft.com/en-us/hololens/hololens2-hardware |title=HoloLens 2 Hardware |publisher=Microsoft |access-date=2025-01-07}}</ref>
 
== Design and Hardware ==
 
=== Display ===
 
Improved waveguide optics:
 
* '''1440x936 per eye''' resolution
* '''Waveguide see-through''' displays
* '''47 pixels per degree''' (maintained from HoloLens 1)
* '''60 Hz refresh rate'''
* '''52° diagonal FOV''' (vs 34° HoloLens 1)
* More than 2x FOV improvement
 
=== Processing ===
 
* '''Qualcomm Snapdragon 850'''
** Up to 2.96 GHz CPU
* '''HPU 2.0''' (Holographic Processing Unit)
* AI acceleration
* Real-time spatial mapping
 
=== Eye Tracking ===
 
New capability:
 
* '''Integrated eye tracking'''
* Gaze-based interaction
* Eye + voice commands
* Iris recognition login
* Automatic IPD adjustment
 
=== Hand Tracking ===
 
Fully articulated:
 
* '''25-point articulation''' per hand
* Natural grabbing/pinching
* No gesture learning required
* Intuitive manipulation
* Time-of-flight sensor enabled
 
=== Audio ===
 
* '''Spatial audio speakers'''
* Near-ear design
* 3D sound positioning
 
=== Build ===
 
Improved comfort:
 
* '''Carbon fiber construction'''
* '''566g weight'''
* Better balanced
* Flip-up visor
* Dial-in fit system
* Untethered design
 
=== Connectivity ===
 
* '''Wi-Fi'''
* '''Bluetooth 5.0'''
* '''USB-C'''
 
=== Battery ===
 
* '''~3 hours''' active use
* Fast charging
 
== Editions ==
 
{| class="wikitable"
|-
! Edition !! Features !! Price
|-
| Development Edition || Standard HoloLens 2 || $3,500
|-
| Remote Assist Bundle || HoloLens 2 + Dynamics 365 || $125/user/month
|-
| Industrial Edition || Certified for regulated environments || Higher
|}
 
== Enterprise Applications ==
 
=== Industries ===
* '''Manufacturing''' - assembly guidance
* '''Healthcare''' - surgical planning
* '''Field Service''' - remote assist
* '''Training''' - hands-on simulation
* '''Architecture''' - design visualization
 
=== Key Features ===
* Hands-free computing
* Remote expert assistance
* 3D visualization
* Workflow guidance
 
== Technical Specifications ==
 
{| class="wikitable"
|-
! Specification !! Details
|-
| Display || 1440x936 waveguide x2
|-
| PPD || 47
|-
| Refresh Rate || 60 Hz
|-
| FOV || 52° diagonal
|-
| Processor || Snapdragon 850 + HPU 2.0
|-
| Eye Tracking || Integrated
|-
| Hand Tracking || 25 points/hand
|-
| Battery || ~3 hours
|-
| Weight || 566g
|-
| Price || $3,500
|}
 
== Reception ==
 
'''Praise:'''
* 52° FOV 2x+ improvement
* Hand tracking intuitive
* Eye tracking accurate
* Carbon fiber comfortable
* Untethered freedom
* Enterprise-ready
* Windows Holographic platform
* Dynamics 365 integration
* Remote Assist powerful
* Significant HoloLens 1 upgrade
 
'''Criticism:'''
* $3,500 enterprise pricing
* 60Hz low refresh rate
* 52° FOV still narrow
* 1440x936 resolution limited
* Enterprise-only focus
* No consumer version
* Battery ~3 hours
* Competition from others
* Now discontinued<ref name="wikipedia">{{cite web |url=https://en.wikipedia.org/wiki/HoloLens_2 |title=HoloLens 2 |publisher=Wikipedia |access-date=2025-01-07}}</ref>
 
== See Also ==
* [[Microsoft HoloLens]]
* [[Magic Leap 2]]
* [[Vuzix Shield]]
* [[Apple Vision Pro]]
 
== References ==
{{reflist}}
 
[[Category:Devices]]
[[Category:Augmented Reality Devices]]
[[Category:AR Headsets]]
[[Category:Enterprise AR]]
[[Category:Microsoft]]
[[Category:2019 in technology]]
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