276g This camera is so light that you can comfortably carry it around all day.
Large APS-C (23.4 x 15.6 mm) sensor Large sensor in Sony NEX-5R 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.
Medium size Body With relatively smaller body compared to DSLRs and better ergonomics compared to Compacts,Sony NEX-5Ris a good compromise between size and functionality.