Originally posted by 672
could be the low quality web data though.
I'll look at the file later. But that shot could be at f2.4. That and handhold means nothing would be very sharp. But more than likely I moved or the subject moved between the time I focused and took the shot. It's not easy to focus handhold at f2.4/2.8 with this lens and camera because you and the subject can move. On a tripod and still subject, however, it's much easier and I get a better success rate.
Here are a few more f2.8 + 105/2.4 shots I found. This one was on a tripod and much easier to do
This one was handhold and the focus is missed once again where you can see it's at the back of the dog's leg.