>>4286385the 30mm is like 130 euros used. it's essentially free. I would buy both the 30mm and the 60mm and you have a superb macro kit.
if I only bought one it would be the 60mm though. the 30mm is great but you need to literally shove it into the subject if you want full magnification. I thought handheld focus bracketing would work fine on the om-5 but I'm still too jittery for that so it's back to tripod macro. and as you can see on picrelated that can be problem with that minimum focusing distance of NOTHING