Sony A7S II has a Sony E (NEX) lens mount and currently there are 73 native lenses available for this mount.
A7S II also has a sensor based image stabilization system which means that all of these lenses will be stabilized when used on A7S II.
Since Sony A7S II has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on A7S II.
You may also also be interested in these:
Sony A7S II Lenses with Image Stabilization
Sony A7S II Lenses with Weather Sealings