I got the 35 f/2 Yongnuo and after a big microadjustment - it is a fun lightweight lens (I call it Fisher Price )
I've been contemplating the 100 f/2 myself for cheap bokeh fun... maybe for flowers and macro work...
May be of interest? First shots with Yongnuo f2 100mm. 10 shots with 8 of them unusable due to a "flat effect" which I'm guessing/hoping is due to lack of hood which I'm waiting to arrive. If the hood cures it, then not bad for a A$200 lens If it doesn't, it's going back. Touch of smart sharpen applied