Are Raynox magnifiers (125, 250, 5320) compatible with Canon 100mm f/2.8L? In particular, are they going to be compatible with the Canon Macro Twin Flash?
I have a Panasonic Lumix GF3 with the stock 14-42 lens. I've been away from photography for some time now. I bought a Raynox DRC 250 macro and was wondering if I would achieve pretty good results with ...