LCD and Viewfinder
Nikon D7100 has a Fixed Type 3.2″ LCD screen with a resolution of 1,229k dots. The Nikon D7100's 3.2″ screen is larger than average and its resolution is up to the class standarts.
D7100 has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 100% and a magnification ratio of 0.63x. 100% coverage ensures that what you see in the viewfinder while shooting matches exactly what you will get later in your image, helping accurate framing your shots and minimizes the need for cropping images later.
Max Shutter speed
Nikon D7100 can shoot continuously at max speed of 6 fps and has max shutter speed of 1/8000 sec.
Flash
D7100 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Focusing
Nikon D7100 features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 51 focus points and 15 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors.
Nikon D7100 also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.
Video Features
With Nikon D7100, you can record your videos at a highest resolution of 1920 x 1080 at 60i,50i,25p,24p fps and save in MPEG-4 and H.264 formats. Full HD resolution of Nikon D7100 will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video.
D7100 has a built-in Stereo microphone and a Mono speaker. Nikon D7100 also has a port for an external microphone and a headphone port for connecting external headphones which make Nikon D7100 a very suitable camera high quality videography.
Connectivity and Storage
You can connect D7100 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Battery Nikon D7100 is powered by battery which provides a shooting life of 950 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 883 shots, its battery life is about average in its class but it would still be wise to invest in some spare batteries for long photo trips.
Battery Life Comparison in Semi-Pro DSLR Cameras
Nikon D850 with its 1840shots is the model with longest battery life among Semi-Pro DSLR cameras. Check the comparison of Nikon D7100 vs Nikon D850 or take a look at Longest Battery Life DSLR cameras list.
Nikon D7100 Features Compared to Main Competitors
User Manual
You can download Nikon D7100's User Manual here