Large Full frame (35.6mm x 23.8mm) sensor Large sensor in Panasonic BS1H ensures a good low light image quality compared to smaller sensor, and it also provide shallow depth of field and a nice blurry background when needed.
585g Carrying this weight all day may not be very comfortable for you.
Body Thickness 78mm With a thickness of 78mm,Panasonic BS1H is not a pocketable camera for sure.