Thursday, October 18, 2012

What do these numbers mean at front of my two cameras?

Samsung camera: 3.9 - 58.5mm 1:3.2-5.8

Nikon camera: 4.5 - 81.0mm 1:3.5 - 5.9
Added (1). Does it mean that the samsung camera has wider angle and lets more light in in dark situation (for existing light photography)?
Added (2). Does it mean that the samsung camera has wider angle and lets more light in in dark situation (for existing light photography)?
>>> What do these numbers mean at front of my two cameras?