ETHIOPIAN EUPHORBIA, CHICAGO BOTANIC GARDEN, GLENCOE, ILLINOIS, MARCH 14, 2013
Tamron 90mm macro with Raynox 250 auxiliary closeup lens
This isn't a drowning cow but a dime-sized leaf spike on an Ethiopian euphorbia, a kind of cactus tree, at the Botanic Garden. I took it with a Raynox 250 auxiliary closeup lens clipped to a Tamron macro, increasing the magnification of the Tamron by about 75 per cent. The combination ought to be good for photographing very small insects, if I can get them to hold still long enough.