The canon RF 35mm is the perfect lens offering a 1.8 Aperture with a STM focus mechanism. It was one of the four lenses that was realised with the Canon Eos R.
This Rf Version is more affordable than USM lenses and is sharper than expected. The autofocus is noisy when taking photos but videos is almost smooth like butter.
A multi purpose lens versatile and light, ideal for an all purpose portrait photography or landscape as it is wide and can capture amazing visuals. The focus ring is customizable to your needs or you can deactivate it completely if that suits you.
The lens is certainly able to deliver nicely sharp images, and while vignetting, curvilinear distortion and lateral chromatic aberration are all visible to some extent but it is usable.