sempervivum

Some comments, if I may:The 100 mm f/2.8  and the 135 mm f/2 has almost two stops of Dof difference (and that's clearly visible) one stop from the aperture plus the 100 mm is wider...I have the 85...

Okay, so you got the green. Than keep all yout gear and get that 135 L. Use the zoom when you feel the itch for zooming, the macro when you shoot macro. But for PORTAITS the 135 is the way to...

Ohh, this is easy: for portraits 135 mm f/2L. I own the 5DM3 + 85 mm f/1.2 L II and the 135L. Earlier I had the 85 mm f/1.8 as well. The 135 is as sharp as any of the 85s, with much less chromatic...