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

More guides

Line drawing: a projector beam spreading to a screen, with the throw distance marked
Setup

How Far Should a Projector Be From the Screen? Throw Distance Chart

Find the right projector distance for any picture size, with the formula, a worked example, and official distance charts for the Pro Elit...

5 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
Line drawing: top view of a bed with a projector beam reaching a picture on the wall
Setup

Projector for a Bedroom: Size, Brightness, Ceiling and Noise

A bedroom is a good place for a projector because you can make it dark. Pick the picture size from your distance, then place the projecto...

6 min read
Line drawing of a compact portable projector with a carry handle
Buying guide

Portable Projector Buying Guide: The Specs That Matter

Check native resolution, ANSI lumens, focus, keystone, power, and apps before you buy a portable projector. Here is what matters and what...

5 min read
Line drawing comparing a textured wall with a smooth projector screen
Setup

Projector Screen vs White Wall: When a Screen Is Worth Buying

A smooth matte wall works in a dark room, while a screen helps with textured walls, room light, and portability. Compare them before you ...

5 min read