The Nexus 5 already has a good 8MP camera with high quality images and sharp videos. Even though the camera is great, it can be even better. You can improve your Nexus 5 camera quality by downloading this mod here. This mod completely changes the camera settings making it a lot better.
You get faster image focusing, stereo sound recording, enhanced smooth zoom, enabled edge enhancement and no noise distortion which means no more annoying background sounds in videos.
The latest version of this mod also brings better video stabilization so camera shaking will be less noticeable.
To install this mod you just have to flash the zip file through recovery and you’re done. Enjoy a better camera quality in your Nexus 5.