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Macro Photography, also known as close-up photography, is the photography of small objects. A macro lens is a lens that offers a magnification of either 1:1, (1x) or sometimes only 1:2 reproduction.
Macro Photography Technical Explanation. Unfortunately, in photograhy the terms macro and micro and magnification are often used inaccurately. Some photographers may use the phrase high magnification to describe macro photography, when in fact most macro lenses only reach 1:1 reproduction, or 1x magnification.