Autofocus,
I had my camera set up to take a shot of an ant that seemed to be on sentry duty at an entrance to the nest. Normally when I do macro photography I set the lens and camera for manual focusing. On this occasion I opted to leave the lens set to operate on autofocus which I had set on continuous mode. No specific reason behind it, I just did. I held my camera so that the lens was about six inches away from my subject and held down the focus button to compose my shot. At the split second I pressed the shutter release, something unexpectedly filled the viewfinder. I was quick enough to realize it had been a fly although I was already out of range to see what kind by the time my eyes caught up with it. Not thinking any more of it I went back to taking ant shots although mr sentry ant had moved on by now. After downloading my files to my computer later on in the day, I was pleasantly surprised to see just how fast the autofocus had worked. In the second that the fly had la...
