YosemiteJunkie wrote in post #2109768
I've got the Sigma 105 and love it. As many others have said, I use MF in macro anyway so the USM of the Canon 100 is mute. If you love it then hang on to it.
I've got the Sigma 105 and love it. As many others have said, I use MF in macro anyway so the USM of the Canon 100 is mute. If you love it then hang on to it.
same here 

