Nikon D600
Tamron SP AF 90mm f2.8 DI Macro
Kenko extension tubes, 36mm
Flash Sigma EF-610 DG ST used with a flash modifier made with an orange juice package.

Camera data:
Shutter Speed: 1/200 second
Aperture: f/51
Focal Length: 90 mm
ISO Speed: 640
White balance: Auto
Exposure compensation: +0.0EV

Edition:
Increased exposition, played with white balance just slightly for a more vivid green, made some contrast adjustments and shadows and highlights recovery.

http://marcosrodriguez.deviantart.com/art/y-562559542