Why do camera lenses need to focus on something? Why can't they just render an image in which everything is clear or maybe only some types of lenses work like that? -
You decide to take a picture of your new camera. You stand 1.5m in front of a flat mirror. For what distance should you focus your camera lens? - Quora
![Camera doesn't focus unless I give a hard shake to the phone. Any tips or is it just defective unit? : r/GalaxyS8 Camera doesn't focus unless I give a hard shake to the phone. Any tips or is it just defective unit? : r/GalaxyS8](https://preview.redd.it/n7qabvdqkplz.png?auto=webp&s=cfc07f5170a19a4e0e54a6b47673f7d04b664c2a)
Camera doesn't focus unless I give a hard shake to the phone. Any tips or is it just defective unit? : r/GalaxyS8
![Shoot now, focus later: multi-view lens patent is Sony's latest foray in to light field photography: Digital Photography Review Shoot now, focus later: multi-view lens patent is Sony's latest foray in to light field photography: Digital Photography Review](https://www.dpreview.com/files/p/articles/9103709603/sony-light-field-patent.jpg.optimal_1.jpeg)
Shoot now, focus later: multi-view lens patent is Sony's latest foray in to light field photography: Digital Photography Review
![The camera on my iPhone 14 pro doesn't focus from about 10 cm with 1x zoom and macro off, this causes not to focus even on apps like wa and Google lens. The camera on my iPhone 14 pro doesn't focus from about 10 cm with 1x zoom and macro off, this causes not to focus even on apps like wa and Google lens.](https://preview.redd.it/the-camera-on-my-iphone-14-pro-doesnt-focus-from-about-10-v0-tlwl25imuwv91.jpg?width=640&crop=smart&auto=webp&s=806a40ab974bca7a305250bde0071eadc4dd8fa6)