Compact body of Canon IXUS 165 makes it much easier to carry it with you all day. 128g
This camera is so light that you can comfortably carry it around all day. Body Thickness 22mm
With a thickness of only22mm,Canon IXUS 165 is small as it could get. 8.0X Optical Zoom
8.0X Optical Zoom of Canon IXUS 165 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 IXUS 165'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.