good and universally usable

With the image quality I am fully satisfied. This focal length (such as "before" 50 mm KB) is to use very versatile for me.
The decision against a 50mm for me was therefore right - there should be no special portrait lens but as universal as possible.
Almost always when the light is scarce, I use it. I will spare me so often the flash application and when a flash is not appropriate or possible nevertheless allows good pictures.