Nice to see Eldar! I'm currently feeling the 50 Art as my favorite lens EVER. I can get better IQ and AF with the 200, but I have always had a thing for a 50mm? But never got the IQ I wanted with the double gauss design. Now that the 50 art is not only great, but the best performer I've tried except for the super tele it's bolted to my camera. Loving it, and after docking calibration, I'm very happy with the AF, except for tracking sometimes, which I think is due to bug in the firmware with AF stopping if the shutter is half pressed every now and then.
Btw, that bar, it looks like one I visited next to "Club Smokey" on the Rembrandts Square or something, lol.