Here's a little something for those who own this lens, and for those who has been considering one. I've received many PMs asking about the performance of this lens, so here it is. If you own one, its good to know where the sweet spot is.
Here it is ...
http://www.pbase.com/marcwang/image/35539565
Cheers
Here it is ...
http://www.pbase.com/marcwang/image/35539565
Cheers