Don, > ... I've used a lot of > Macros and now have the Sigma 50/2.8 EX It's > about the best there is at the moment, > slightly superior to their very nice 105/2.8 EX.
Mind if I asked you to elaborate on exactly how 50/2.8 is superior to 105/2.8? Also if you had used Pentax FA 50/2.8 macro, how Sigma compares with Pentax? -- Boris

