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September 19th, 2020 Pardon our dust, the blog is currently being updated — There may be a few glitches for a few days

KGOnTech Video Presentations On Augmented Reality

In December and January, I was asked to present (virtually) at AR/VR MeetUps in New York and The Bay Area. Both of these presentations were recorded. Added together, it is almost 2 hours of me presenting on AR. They are nothing fancy or slick in the presentation, but simply me presenting slides on the current…

Updated the Website – Apologies for the Errant Notifications

Moved Website to a New Host and Put in A New and Faster and Wider Page Layout After the last series on the Hololens 2, I was finding that the page layout “theme” was too confining and it was difficult to view the pictures. I wanted a bit wider page to make images more readable.…

Hololens 2 Display Evaluation (Part 6: Microsoft’s FUD on Photographs)

Introduction (Marketing FUD) Microsoft recently put up an FAQ page with the topic heading. Why am I unable to take an accurate photograph of my HoloLens 2 display?. The purpose of this FAQ seems to be to discourage and discredit talking picture taking of the Hololens 2 (HL2) through the optics rather than to provide useful…

Hololens Display Evaluation (Part 5: Poor Intensity Control)

Introduction – Following Up on Color Control As I noted in Hololens Display Evaluation (Part 3: Color Uniformity), one the first things when I first tried a Hololens 2 (HL2) was that colors were washed out (see below). The color was much worst than the Hololens 1. So what’s wrong with the HL2’s intensity control?…

Hololens 2 Display Evaluation (Part 4: LBS Optics)

Introduction I received an email from David Kessler, an expert in optics and who has designed several laser beam scanning displays. In that email, David wrote that my speculation Hololens 2 (HL2) might be using the pupil expansion method shown in their US10,025,093 patent (right) was incorrect. David said that the HL2 was not using a screen-like…

Hololens Display Evaluation (Part 3: Color Uniformity)

Introduction – A Single Image With Both the Left and Right Displays For today, I’m going to show a single image as seen through the left and right display in the Hololens 2 (HL2). I have verified that the pictures below match what I see with my own eyes reasonably well. The human vision is…

Hololens 2 Display Evaluation (Part 2: Comparison to Hololens 1)

Introduction – Answering a Simple Question In response to Hololens 2 Display Evaluation (Part 1: LBS Visual Sausage Being Made), someone asked, “How does the Hololens 2 (HL2) compare to the Hololens 1 (HL1) in terms of image quality.” I had read someone else comment that while he like many of the new features and…

Hololens 2 Display Evaluation (Part 1: LBS Visual Sausage Being Made)

Introduction A Hololens 2 (HL2) was purchased directly from the Microsoft store online, and I have been evaluating its display technology for a couple of weeks. Unfortunately, this further pushed out my article on MicroLEDs that I have been working. Since the HL2 uses laser beam scanning (LBS), seen by some as a competing display…

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