Topic

optics

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 The Worst Wearable Computer

   Zack Freedman 6 people · 6 months · since Aug 2021

   Linked as a caution for DIY smart glasses builders, showing why a see-through display placed near the eye cannot be focused without extra optics.

2. 

   2 Building a TRUE 4k home cinema projector (it’s awesome)

   DIY Perks 4 people · 4 months · since Nov 2020

   Suggested as a useful reference for building a home projector from an old phone, including the lens and lighting choices involved.