This is probably my favorite photo from an afternoon spent experimenting with my 90mm macro lens:

For scale, the “vase” in this photo is a bit over 0.5″ / 12mm across at its widest.

EXIF:
OM-System OM-1 camera
M.Zuiko 90mm f/3.5 macro lens
Olympus FL-700WR flash
KR Macro Diffuser
f/11, 1/10 sec, ISO 100