>>2949344Best bang for the buck in general for APS-C and MFT is likely some $10-30 vintage macro by Osawa or Kiron or such, but maybe you don't want to be THAT economical.
The 90mm FE is the best bang for the buck on a higher-end macro lens. So sharp, best macro and one of the best lenses ever made in general, yet only moderate in price.
If you're not adapting but on a CaNikon, I guess the Tamron or Sigma should be fine though. There also are a bunch of cheap older Nikon options if you only need 1:2 (for like, jewelry and model shots) rather than 1:1.
