Canon EF 24-105mm f/4 L II. bigger. Specifications Top Sample Images Intro Specifications. Performance Compared Recommendations . Name. Canon calls this the Canon EF 24-105mm f/4L IS II USM: EF: Electronic Focus, as all Canon's lenses have been since 1987. L: Expensive as L. IS: Image Stabilization.
The Canon EF 24-105mm f/4L IS II USM Lens focuses very fast with only some lens group shuffling sound being audible if close to the lens in a quiet environment. Even more important is that focusing has proven very consistently accurate. Focusing is internal and FTM (Full Time Manual) focusing is supported.