best street gear I use is a 35mm summilux on an M9. It's preferable, for me, to either the 24mm or
the 50mm for candids up close. a few steps either way usually solves framing issues, but then a lot
of my street shots are zone focused grabs. I've tried the 35mm f1.4 on a 5dII, but it's too intimidating and too noticeable for many spots.