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Close up photography is perhaps best done using a DSLR + a true macro lens + extra extension. The Nikon 105mm macro lens cost around $1000.00.
A cheaper way to get large images is to use a wide-angle lens, mounted in reverse on extension (either tubes or a bellows). This face of a Pollenia was shot using a 28mm wide angle reversed onto 60mm of extension and mounted onto a DSLR. The quality is as good as that obtained from a true macro. The cost is still high but significantly less than the 105mm, i.e., $250.00 new. I suspect a used lens could be obtained for much less.
Multiple images stacked with Helicon Focus.