This ant was really tiny (2 mm length or so). I used a 50 mm lens, reversed, attached to a 200 mm in order to get such a magnification. Really hard manual focusing. I coudn't shoot any moving ant, they looked like racing cars through the viewfinder, so I got this one, which was dying (my wife used insecticide on the kitchen shortly before...). Two external flash were used to compensate the f/22 and the loss of light due to the attached lens.