So this afternoon I took some shots of my two year old chasing our dogs with my 135L in MF. It was definitely a challenge, but something I would probably never do with a MF lens. I did enjoy it though. The focus range is extremely sensitive with this lens, with a MF lens such as the topic lens, is the MF less sensitive? Going to look at those portrait photos now. Jake
What do you mean by less sensitive? 


