Been playing around with it for an hour or so.. very impressed with it.IMAGE LINK: https://flic.kr/p/r9TeMV bokeh
The first thing that struck me was how little it was, i mean VERY little.. guess i'm used to the TCL.
Construction feels solid and as others have said, it feels like it's integrated with the camera, not a screw on lens.
Bokeh is great, corner sharpness is the same as the 23mm at f/2.
AF is as fast as with the 23mm, and it's faster than the TCL (it blocks the AF assist lamp more).
I've heard people saying the WCL makes the camera front heavy, i havent noticed this when having it around my neck or holding it in my hand.. but once i set it down on a table it tilts forward, the TCL is constructed so that the front of the lens is in line with the cameras bottomplate so when you set it down with the TCL on, it stays flat on the surface.
I never thought the 7mm width would do much, i can now say that it actually does... i instantly feel that i can fit much more into the frame.
Another good thing for us OVF users is that the display is different from the TCL, it has a wider frame with 4 corners so you can never mistaken wich converter you have on.
I'm super happy and thrilled for this upcoming weekend where a bunch of us is going away to shoot long exposures, the WCL will be perfect.
Some bokeh action
by bent toe
, on Flickr