projector focus - 4KProjectorGuide

Troubleshooting

Blurry Projector Image: How to Sharpen Focus and Adjust Lens

focus adjust lens properly

I’ll guide you through simple steps to sharpen your blurry projector image and improve your viewing experience.

4KProjectorGuide Team
November 28, 2025

large venue projector challenges

Throw & Placement

Long Throw Projectors in Large Venues: Distance and Mounting Challenges

Aiming for optimal large-venue projection involves navigating distance and mounting…

4KProjectorGuide Team
December 7, 2025

projection distance comparison

Throw & Placement

Ultra-Short-Throw Vs Long-Throw Explained

Ultra-short-throw projectors sit very close to the screen, making them ideal for…

4KProjectorGuide Team
December 7, 2025

understanding screen aspect ratios

Screens 101

Screen Aspect Ratios 101: 16:9 Vs 2.35:1 Vs 4:3 for Projectors

In this guide to screen aspect ratios, discover how choosing between 16:9, 2.35:1, and…

4KProjectorGuide Team
December 7, 2025

top portable laser projectors

Vetted

15 Best Portable Laser Mapping Projectors That Will Transform Your Space in 2025

With cutting-edge features and stunning visuals, these 15 portable laser mapping…

4KProjectorGuide Team
December 7, 2025