*First, an explanatory note for everyone with a little history of photos and the basics of technology: the term macro used to refer to insect catching or whatever, which produces images on a 35mm (24x36mm) film frame that ranges from 1: 10 to 1: 1 original subject size. For its part, the term micro refers to a film image larger than 1: 1 the size of life; micro photography can easily give you 35mm film images of ants larger than the original ants. CCD or CMOS sensors can be as small as 3x4mm, so any definition term applied in the movie age is outdated. But the rules that apply to achieve successful and satisfactory macro photography are still there.*
*Normal photography works in using the camera to record sharp images by adjusting the lens-to-sensor distance to achieve the right focus: for subjects infinitely infinite, such as landscapes, the lenses are positioned at the minimum distance of lens-to-sensor; to capture sharper images from closer subjects, such as those, lens-to-sensor increases. In macro photography, the sharp image of a small object requires the lens to be positioned more closely, the lens moves farther than for normal photography. As far as my investigation goes, almost all digicams are compact and most DSLRs have macro modes to choose from. In some cameras you can select macro mode through external controls, while in others you have to access the viewfinder menu.*
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