Digital cameras are very much like all earlier cameras. Beginning with the very first camera all have been basically black boxes with a lens to gather the light, a wheel you turned to focus the image, an aperture that determines how bright the light is, and a shutter that determines how long the light enters.
The digital camera was originally developed by NASA to send images back from outer space. It has been the advent of personal computers and the internet that has made them mainstream image-capturing devices.
In sports photography, access is key. Without access, you won’t succeed even if you have the most comprehensive array of lenses out there. So if you have access, you’ve already improved your chances of success by at least 40%. The other keys to success?