Remarkably lightweight and compact body High-resolution, high-contrast image quality Effective correction of aberrations and distortion Optical stabilization (OS) of 4 stops AFL button, zoom lock, focus limiter, OS mode switch Responsive and near-silent stepping focus motor Mount with dust and splash resistant structure TSC (Thermally Stable Composite) construction Super Multi-Layer Coating reduces flare and ghosting Compatible with Lens Aberration Correction