For Nebula Capsule, Apollo and Astro which has the focus wheel on the projector itself, if the projected image is blurry, please try to adjust the focus manually by slowly spinning the focus wheel that is located on the side of the projector.
For Nebula projectors running the Android TV system like Capsule II, Cosmos, Cosmos Max, Solar, Solar Portable or Vega Portable, you can follow steps shown in the video and articles to make auto and manual focus.
For Nebula projectors running the Android system like Mars II, Mars II Pro or Capsule Max, you can follow steps shown in the video and articles to make auto and manual focus.