You may use some of your crop sensor camera lenses on a full frame Canon body as long as they have an EF Mount. The EF-S Mount is different and does not allow crop lenses to be used on your full frame (AKA FF) body.
You may use some of your crop sensor camera lenses on a full frame Canon body as long as they have an EF Mount. The EF-S Mount is different and does not allow crop lenses to be used on your full frame (AKA FF) body.