I couldn't get near enough with the 60mm macro so I tried a different tack.
Caper White butterfly - taken hand held at about four metres with the 300mm F4 + MC-14
1/320Sec, F11, ISO 200
It still looks sharp if you want to pixel peep. (4MB file)
https://drive.google.com/open?id=0B9...DJaS0J6TmN1UGM
Love that lens.