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.
Good Ergonomics&Handling With lots of external control and a good ergonomics, Sigma SD1 Merrill's body is very good for sports photography.
Optical 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.
Slow Max shutter speed: 1/s Sigma SD1 Merrill's max shutter speed of 1/s is quite slow and it may not be enough to freeze the motion in some cases. Another potential problem may be when you use a fast aperture at very strong light, your camera may overexpose because of slow max shutter speed
Focus Points In sports photography , you keep continuous autofocus (AFC) mode on for tracking the subject and more focus means better tracking.
No Image Stabilization Due to the lack of sensor based Image stabilization, Sigma SD1 Merrill users have to rely on lenses with optical IS in order to maximize the sharpness of their sports photography photos. Currently there are native Sigma SA Bayonet mount lenses with Image Stabilization for Sigma SD1 Merrill.