ecka said:
No, it is the non-IS Sigma 150/2.8 Macro. No tripod either. None of those would help much while catching something "dancing in the wind"

. I used 1/320 SS.
Yes, I try to use as high of a shutter speed as possible. A wide open aperture makes it easy, but if I need real depth of field, then at f/16 it gets tougher.