Equipment Investment - 4KProjectorGuide

Projection Basics

How to Think About Total Cost Instead of Just Projector Price

consider total ownership costs

Finding the true cost of a projector involves more than just the price; discover key factors that can save you money long-term.

4KProjectorGuide Team
June 10, 2026

Show HN: iPhone App Takes Simultaneous Images From 2 Lenses, Fuses Into 1 Photo

Image & Color

Show HN: iPhone App Takes Simultaneous Images From 2 Lenses, Fuses Into 1 Photo

An iPhone app now allows users to simultaneously capture images from both lenses and…

4KProjectorGuide Team
August 12, 2026

London Underground Begins Scanning Passengers' Faces

Image & Color

London Underground Begins Scanning Passengers’ Faces

London Underground has begun implementing face scanning technology for passengers,…

4KProjectorGuide Team
August 12, 2026

10 Best 4k Media Streaming Devices in 2026

Vetted

10 Best 4k Media Streaming Devices in 2026

Discover the top 4k media streaming devices for 2026, including the best overall, value…

4KProjectorGuide Team
August 12, 2026

Show HN: Git-knife – Edit Commit Messages, Authors, And Dates Like A Spreadsheet

Troubleshooting

Show HN: Git-knife – Edit Commit Messages, Authors, And Dates Like A Spreadsheet

Git-knife, a new tool showcased on Show HN, allows users to edit Git commit messages,…

4KProjectorGuide Team
August 12, 2026