That is a rhetorical question since photos sizes range by camera.
Since it only has 15.6gb usable, If your camera produces 4mb photos then it will hold 3,900 photos.
If your camera produces 10mb photos then it will only hold 1,560 photos inside its holdy-fold.
Make sure you open the Terry Flap all the way before sticking it in!
Very important
They never tell you that in school