Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.
13 MP, f/2.0, phase detection autofocus, dual-LED (dual tone) flash
Dual 12 MP + 2 MP, phase detection autofocus, LED flash
Geo-tagging, touch focus, face/smile detection, HDR, panorama
Geo-tagging, touch focus, face detection, HDR, panorama
5 MP, f/2.0, 1080p