Does My Mini Projector Lens Have Bad Spherical Aberration?

No. Most mini projector lenses do not have bad spherical aberration, because their small plastic lenses are molded to tight tolerances at the factory. I still see mild blur at the edges on some cheap models, but that is usually field curvature or a slightly misaligned lens, not spherical aberration. Try focusing on the center, … Read more

Why is There No Phone Connection Cable Included with My Mini Projector?

Mini projectors often omit a phone connection cable because most models connect wirelessly through screen mirroring or casting instead. Manufacturers assume buyers already own a charging cable for their own phone. I learned this the hard way when my projector box held only a remote and a power cord. If your phone supports casting, you … Read more

How Do I Fix Washed Out Colors on My Mini Projector?

Washed-out colors on a mini projector are usually fixed by lowering ambient light, raising the color saturation setting, and switching the picture mode from a bright preset to a standard or movie mode. These three adjustments resolve most cases because they restore contrast and color depth. I always start in a dark room, then nudge … Read more