Some very interesting effects from this lens. The out-of-focus highlights in the picture of Toadflax and the rainbow flare in the penultimate image of the dead heads.
I'll have to dig my Fuji M and Amadeo adaptors out and try my black and nickel Sonnar out again on the X-Pro1. It certainly needs a lens hood to help with flare and increase contrast. I need to compare it to the chrome collapsible version I also own, and my 2.8cm f6.3 Leitz Hector.