Where the files (pictures, ...) end up

~/Downloads

~/Pictures
~/Pictures/Screenshots

~/Pictures/com.ubuntu.camera
~/Pictures/com.ubuntu.camera/image20150329_183823514.jpg

~/Videos
~/Videos/com.ubuntu.camera

~/Documents

You may copy file to ~/Pictures/com.ubuntu.camera/ but the app only accepts .jpg files;

JPEG fotos contain the the following header information:

$ jhead image20150329_183823514.jpg 
File name    : image20150329_183823514.jpg
File size    : 568513 bytes
File date    : 2015:03:29 18:39:43
Camera make  : bq                             
Camera model : Aquaris E4.5                   
Date/Time    : 2015:03:29 18:38:24
Resolution   : 2448 x 4352
Flash used   : Yes
Focal length :  3.5mm
Digital Zoom : 1.140x
Exposure time: 0.030 s  (1/33)
Aperture     : f/2.4
ISO equiv.   : 132
Whitebalance : Auto
Metering Mode: center weight
JPEG Quality : 80

Last updated: Sat Oct 17 13:09:43 CEST 2015