Compact Body Compact body of Canon SX620 HS makes it much easier to carry it with you all day.
182g This camera is so light that you can comfortably carry it around all day.
25.0X Optical Zoom 25.0X Optical Zoom of Canon SX620 HS will give you a lot of flexibility considering this will be your only camera during the day.
Small 1/2.3" (6.17 x 4.55 mm) sensor Canon SX620 HS'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.