What are the key features of the Canon 70/1.8 lens and how does it compare to other lenses in its class?

The Canon 70/1.8 lens is known for its fast aperture of f/1.8, which allows for great low-light performance and beautiful background blur. It also has a compact and lightweight design, making it easy to carry around. Compared to other lenses in its class, the Canon 70/1.8 offers a good balance of image quality, affordability, and versatility, making it a popular choice among photographers.