You Must Know Before Buying a Zoom Lensed Projector

if you find this video helpful check out my guide videos in channel for lot of useful info.

How Much Resolution We Actually Need ?
https://youtu.be/3tzfPPG3guQ?si=-HaHuKQsO6tAN1n8

Lens Shift and Optical Zoom Explained
https://youtu.be/RVB6Y3Cg2uA?si=KOB5jiBGe1lLXp4D