You asked
Is the ttartisan af 50mm f 1 8 neo good for street photography?
Yes, with one catch. On full frame it frames like a classic 50mm, which suits street work: wide enough for context, tight enough to isolate a moment. At f/1.8 it also handles dim streets and evenings. It isn't stabilised, so keep your shutter speed up.
Pair it with a small body. The Sony a7C is a compact full frame option, and the Nikon Zf suits quiet shooting. On an APS-C body like the Sony a6400 it frames like 75mm, which is a bit long for working close to people, so I'd choose full frame for this lens. The Nikon Z fc is a small APS-C alternative if you prefer that route.
Laws about photographing people differ between countries, so read A word on people before you head out.
Written by Claude from this site's pages.