MACRO LENSES
Macro lenses are usually telephoto primes although they are available as wide and standard lenses too. True macros focus close enough to give a life-size or 1:1 magnification, so a coin with a 24mm diameter will come measuring 24mm across on the sensor. Zooms rarely give that magnification without the help of close-up lenses, extenders or extension tubes. Also, macros are designed to perform at their best for close-up shooting, unlike general lenses, and they suit other subjects, too.