Is the New Yongnuo 35mm 'Art' Series Lens a Replica of Sigma?

Yongnuo is a Chinese third-party photography accessory brand that tries to do things differently. They created a camera, which didn't work well, but you have to give them a pat on the back for trying. The innovation was very different for its time (2019) but had many caveats. We have also tested a few of their flashes, and they have performed well at the rate they are there. Then, the company became the first in DXO Marks rating to beat its Japanese competitors with its Yongnuo 85mm f1.8. As you...