Do manual da 60D, pág 180
Image size:
[1920x1080]: Full HD (Full High-Definition) recording quality.
[1280x720]: HD (High-Definition) recording quality.
[640x480]: Standard-definition recording quality. The aspect ratio will be 4:3.
[Crop 640x480] : Standard-definition recording quality. The aspect ratio will be 4:3. It will give a telephoto effect of approx. 7x. This shooting mode is called Movie crop.
É este último que vcs estão chamando de zoom ?? Se for, a 60D tem também, com a ressalva que neste modo ela não fotografa enquanto filma (sempre conforme o manual, não experimentei)