Nikon D3100 is an excellent camera for its class at a perfectly reasonable price. From the D3100 you get everything that a modern entry-level DSLR can offer: a high-quality picture, shooting FullHD video, good performance of all camera systems, as well as a few nice bonuses in the form of convenient controls and a “smart” GUIDE shooting assistant. Has some pros 1) Good, for an entry-level camera, autofocus and metering work. 2) Nice GUIDE shooting assistance mode. 3) Excellent camera ergonomics and convenient operation. 4) Record high-quality FullHD video with the ability to autofocus during shooting. Nikon D3100 is the first SLR camera that allows you to remove “blinking”, the screen refresh rate is changed in the settings - 50 or 60 Hertz. Cons: 1) Not a swivel screen. 2) There is no possibility of exposure bracketing and white balance bracketing. 3) Lack of autofocus motor.