1. In terms of focal length, this lens can achieve a zoom range of 7 to 3mm, which is very suitable for shooting distant objects.
2. In terms of aperture, Canon's second-generation lens with focal length of 7 to 3 adopts a variable aperture design of 4 to 5.6, which can obtain clear and bright photos even in dark environment.
3. In terms of focusing speed and stability, you can easily deal with both moving scenes and static objects.