LCD and Viewfinder
Nikon D300S has a Fixed Type 3″ LCD screen with a resolution of 920k dots. Both the screen size and the screen resolution is up to the standards of this class.
D300S 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 D300S can shoot continuously at max speed of 7 fps and has max shutter speed of 1/8000 sec.
Flash
D300S has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Focusing
Nikon D300S 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 points to choose from.
Nikon D300S also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.
Video Features
With Nikon D300S, you can record your videos at a highest resolution of 1280 x 720 at 24 fps and save in and Motion JPEG formats. 1280 x 720 is a low video resolution by todays standards. If video quality is important for you, we recommend you to look at cameras with Full HD, even better 4K / Ultra-HD resolution .
D300S has a built-in Stereo microphone and a None speaker. Nikon D300S also has a port for an external microphone so you can record high quality sound with the help of an external microphone.
Connectivity and Storage
You can connect D300S to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Battery Nikon D300S 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 D300S vs Nikon D850 or take a look at Longest Battery Life DSLR cameras list.
Nikon D300S Features Compared to Main Competitors
User Manual
You can download Nikon D300S's User Manual here