I see other Zhongyi lens also have Mark II versions, and also Lens Turbo II adapter has improved quality. It's great they keep working on making better and more competitive optics.
I like improved sharpness of this ZSM 35mm mk-II in the center, it's nice to use it for cropped shots when needed instead of switching to 50mm or 140mm lens. E.g. I wanted to catch this scene with more narrow angle, and just stopped down to f2.8 and later cropped to 50mm and 140mm correspondingly:
