Compact Body Compact body of Pentax VS20 makes it much easier to carry it with you all day.
235g This camera is so light that you can comfortably carry it around all day.
20.0X Optical Zoom 20.0X Optical Zoom of Pentax VS20 will give you a lot of flexibility considering this will be your only camera during the day.
Small 1/2.33" (6.08 x 4.56 mm) sensor Pentax VS20'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.