Do not buy for Pi HQ camera. This is a tiny M12 mount with an adapter for the much larger C/CS mount. The result is a round image that doesn't cover the entire sensor.
Canon EF 50mm f/1.8 II Fixed Lens - Discontinued by Manufacturer
93 Review
π· Nikon AF-S NIKKOR 50mm f/1.4G Lens with Auto Focus: Perfect for Nikon DSLR Cameras
76 Review
Nikon 50mm f/1.8D Lens: Perfect for Nikon DSLR Cameras!
97 Review
Canon EOS SLR Camera Lens EF 24-105mm f/4 L IS USM
124 Review