sony a7s ii ilce7sm2/b companion: a guide to mastering your camera  it's hard to create great shots if you don't know how to use your camera. learn to take advantage of the full set of features that the sony a7s ii (ilce7sm2/b) has to offer. the sony a7s ii companion expands upon the user manual to teach you the essential camera features and settings. in addition, it covers the basic concepts of photography and videography.