What are the key differences between the Canon 18-55mm STM and the Canon 18-135mm STM lenses?

The key differences between the Canon 18-55mm STM and the Canon 18-135mm STM lenses are their focal lengths and zoom ranges. The 18-55mm lens has a shorter focal length and zoom range compared to the 18-135mm lens, which offers a longer focal length and a wider zoom range. This means that the 18-135mm lens can capture subjects that are farther away and provide more versatility in framing shots.