Just had a first play with a pretty extreme macro set up using bits I had kicking about .
An old 50mm f1.8 lens reverse mounted on a spare 75-300 zoom with a £4.00 adapter gets me in a little too close for general stuff but for the task I had in mind it'll do well.
First go at Depth Stacking in Canon's DPP4 , 13 frames stacked of a Dandelion seed , uncropped ...