rpicam-still
Capture and store a photo using a Raspberry Pi camera with legacy features missing from `rpicam-jpeg`.
TLDR
Capture a photo with different encoding
$ rpicam-still -e [bmp|png|rgb|yuv420] -o [path/to/file.[bmp|png|rgb|yuv420]]
Capture a raw image
$ rpicam-still -r -o [path/to/file.jpg]
Capture a 100 second exposure image
$ rpicam-still -o [path/to/file.jpg] --shutter 100000