These unique Saga Dive fiber optic ring flashes work very well to direct light directly onto small macro subjects. They can be custom made for most DSLRs and strobes.
Buying the best lenses - and ports to use them in, can be a long-term value investment. Lenses and ports can be used over and over as you buy new cameras. Buying high-quality lens solutions as you can afford them is the best plan. However, planning what lenses to buy and what format to invest in is a very important decision.