You asked
Ttartisan 50mm f 1 2 vs ttartisan 50mm f 0 95?
For most people, I'd pick the f/1.2. On APS-C bodies (Sony E, Fujifilm X, Nikon Z, L-Mount) both lenses frame like a 75mm, but the f/1.2 gives about the depth of field of f/1.8. That leaves more of the subject sharp, and it's easier to focus by hand.
The f/0.95 gives the thinnest backgrounds, roughly the depth of field of f/1.4 on the same bodies. It's the one to choose only if you want that look badly and don't mind fiddly manual focus at wide open.
On Micro Four Thirds the faster lens matters more. The f/0.95 behaves like f/1.9 there, against about f/2.4 for the f/1.2. Both are manual focus and unstabilised, so pair either with a camera like the Fujifilm X-T5. For people pictures, see portraits.
Written by Claude from this site's pages.