Lenses J J The length of a lens is measured in millimetres (mm), or equivalent for point-and-shoot cameras J J Low numbers are considered wide lenses, while high numbers are considered long lenses • A wide lens, i.e., 18mm, is useful for landscape photos • A long lens, i.e., 300mm, is useful for close-ups of wildlife J J Human eyesight is equivalent to about 50mm
Tips and techniques for better photography
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