Fast Continuous Shooting: 20.0fps In the world of sports photography, faster is always better.
Environmental Sealings Most outdoor sports games are held in all-weather, so your camera has to be ready for difficult conditions such as rain and snow. Exposure to dust and water splashes are also very common in sports.
Fast Max shutter speed: 1/8000s Sony A9's 1/8000s shutter speed is fast enough to freeze any almost all sports action and is also helpful when you use a fast lens at largest aperture under bright sunlight.
693 Focus Points In sports photography , you keep continuous autofocus (AFC) mode on for tracking the subject and more focus means better tracking.
Good Battery Life: 650 shots In most sports events, you shoot at high speed for a long time and this drains the battery pretty quick. With a battery life of 650 shots per charge, you won't run out of juice or have to change battery very frequently in the middle of an event.
Good Low Light ISO A good high ISO performance is very important in sports photography in order to have a fast shutter speed.
Wireless Connection It may not be used by everyone but pro sports photographers use Wi-fi to transfer files simultaneously without having to wait to change the memory card.
Good Ergonomics&Handling With lots of external control and a good ergonomics, Sony A9's body is very good for sports photography.
Electronic Built-in Viewfinder During a sports shoot, using a viewfinder allows the photographer to stabilize the camera and reduce the camera shake since it is closer to the body. Besides, it comes handy where LCD screens are very hard to read under bright sunlight.
Image Stabilization Image stabilization reduces the effects of camera shake at long focal lengths thus ensuring sharper photos during sports photography.
Anti Flicker feature Many sporting events involve flickering lights that cause unwanted effects on the photos. Anti flicker feature reduces this effect, although generally reduces the maximum continuous shooting speed of the cameras.