Cameras with longer battery life can take more photos before exhausting their batteries.
Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable
Very good image quality; Better than average noise vs. detail handling at high ISOs; Very good dynamic range in JPEGs, excellent in RAW files; Lots of high-end features in a relatively compact body; 6 fps burst mode.
Viewfinder not as accurate as specified; Viewfinder doesn't show ISO unless adjusting; No live histogram in Live View mode; No phase-detect Live View AF mode.
Captures sharp, detailed photos with its new 24.1-megapixel CMOS sensor, even at higher ISOs; Features a familiar (D5100) but refined body design; Records Full HD video with full-time autofocus tracking; Packs a ton of advanced features into a consumer-friendly body at a great price.
Autofocuses a little slowly for its class and struggles at times in low light; Changing some basic settings takes more time and effort than it should; Mediocre kit lens.