The fly is standing and feeding on sugar crystals
Nikon D800, AF-S Nikkor 105mm F/2.8 micro VR, Kenko 24mm extension tube, R1C1 flash-kit, tripod
Exposure = 1/80s f/22.0 at 105.0mm iso100 with flash, WB pre-set via white reference card, manual spot metering, manual focus
Flash info = two R200 flash units on lens ring, distance to subject 30cm