Sony DSC-HX90V Manual page 219

Lock-on AF
Varying levels of brightness
Lock-on AF
Flickering lights
iSweep Panorama
Subjects too close to the product
iSweep Panorama
Subjects with large movements or subjects that move too quickly
Superior Auto
iSweep Panorama
Auto HDR
Lock-on AF
Subjects too small or too large
iSweep Panorama
Lock-on AF
Scenes with little contrast, such as the sky or a sandy beach
iSweep Panorama
Superior Auto
Scenes changing constantly, such as a waterfall
iSweep Panorama
Superior Auto