Close-Up Lenses
Now comes the hard part, lenses, which really are the key to this
whole close-up/macro project. You need good lenses. The rest of
the equipment you might be able to squeak through with mid-range
stuff, but with lenses, you should have at least one good lens, at
least one you believe is good. It is good for the soul of your
photography.
Lenses can be (and mostly are) expensive, at least the really good
ones. If you have no real money to spend on lenses just get one of
these. They will get you started: