Zoom lens takes more space, has worse f stop, and/or has worse quality like you see on full frame or aps c cameras. (Compare the size of a 50mm f/1.8 vs a 24-70

Zoom lens takes more space, has worse f stop, and/or has worse quality like you see on full frame or aps c cameras. (Compare the size of a 50mm f/1.8 vs a 24-70mm f/2.8)