Zoomly Guides

Guides

Straight answers about projectors: setup, picture quality and what to look for before you buy.

Line drawing: a picture that is wider at the top being squared up into a straight rectangle
Tech explained

What Is Auto Keystone? How It Fixes a Slanted Projector Image

Auto keystone straightens a slanted projector image automatically. Here is how it works, what it costs in sharpness, and how to need less...

6 min read
Line drawing: a coarse 1080p pixel grid next to a finer 4K pixel grid
Tech explained

1080p vs 2K vs 4K Projector: When the Upgrade Is Worth It

Is a 4K projector worth it? Screen size, seating distance, native resolution, and brightness decide, and 2K sits only a little above 1080p.

5 min read