When taking pictures of a computer or TV screen on your phone, why is the picture occasionally distorted and streaked with odd light effects that vary if you zoom in or out? -
![astrophotography - What causes and how can I avoid this moiré pattern in a composite night sky photograph? - Photography Stack Exchange astrophotography - What causes and how can I avoid this moiré pattern in a composite night sky photograph? - Photography Stack Exchange](https://i.stack.imgur.com/la0Zb.jpg)
astrophotography - What causes and how can I avoid this moiré pattern in a composite night sky photograph? - Photography Stack Exchange
![Moire Effect - Glossary of Film-Video & Photo - AKA Moire Pattern Mis-spelled as: Moray, Morray or Morie Moire Effect - Glossary of Film-Video & Photo - AKA Moire Pattern Mis-spelled as: Moray, Morray or Morie](https://oceanstudio.com/sites/default/files/film-term-images/hqdefault.jpg)