For me personally, I swear by it. I'll never use another system without AS/IS/VR!
It definitely gives you an edge in those "borderline" cases, where just that bit of difference would determine if a shot is good or gets ruined. 3-stop advantage is about TEN shutter-speed levels!
It definitely gives you an edge in those "borderline" cases, where just that bit of difference would determine if a shot is good or gets ruined. 3-stop advantage is about TEN shutter-speed levels!