42.0X Optical Zoom 42.0X Optical Zoom of Panasonic LZ40 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,Panasonic LZ40is a good compromise between size and functionality.
524g Carrying this weight all day may not be very comfortable for you.
Body Thickness 94mm With a thickness of 94mm,Panasonic LZ40 is not a pocketable camera for sure.
Small 1/2.3" (6.17 x 4.55 mm) sensor Panasonic LZ40'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.