Geraldo Mccalla: MP has nothing at all to do with zoom; it's like asking "If a car has 250hp, how big is the trunk?"Optical zoom is how much closer a lens can make your subject without lowering the resolution. Digital zoom just crops the picture, reducing its quality.3x just means the close-up (telephoto) will make the subject 3x bigger than @ the wide angle. Since the wide angle on most 3x cameras is about the same view as a 35mm on a film camera, your lens is roughly equivalent to 35-105 lens....Show more
Marhta Teahan: well, optical zoom is one which is obtained by adjustment of lens.... you might have observer that for a particular zoom...fixed movement of lens is there...and there is no link between zoom and mega pixels of camera..
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