20.0X Optical Zoom 20.0X Optical Zoom of Sony HX1 will give you a lot of flexibility considering this will be your only camera during the day.
Medium size Body With relatively smaller body compared to DSLRs and better ergonomics compared to Compacts,Sony HX1is a good compromise between size and functionality.
544g Carrying this weight all day may not be very comfortable for you.
Body Thickness 92mm With a thickness of 92mm,Sony HX1 is not a pocketable camera for sure.
Small 1/2.4" (6.104 x 4.578 mm) sensor Sony HX1'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.