Compact Body Compact body of Samsung ST90 makes it much easier to carry it with you all day.
Body Thickness 17mm With a thickness of only17mm,Samsung ST90 is small as it could get.
X Optical Zoom Having a camera with higher zoom ratio would be more practical.
Small 1/2.3″ (6.16 x 4.62 mm) sensor Samsung ST90's small sensor struggles in low light situations compared to larger sensor.
No RAW shooting capability RAW files contains much more color information compared to JPEGs, and gives you more room for post processing without significant quality loss. They provide wider dynamic range and option to recover shadow and highlight clipping to some degree.