The coolpix l840 replaces the last years coolpix l830.but almost same.just 2 or 3 things are changed. Optical zoom is boosted to 38 from 34( l840) . the good new addition is wi-fi connectivity with remote camera and wireless data sharing with phone . overall very well layout menu system. Very accurate colour. Indoor and outdoor picture quality of camera is also quite good. My zoom experiene with this camera was also good.audio quality of this camera is quite good. Full hd video supporting. 38x optical zoom. Screen size 7.6 inches. Image tupe jpeg. Resolution. 16 mp cmos sensor.