Purpose of contest is to use the speed, aperture, lens, filter and accesories to capture the best shot previous the manipulation of the final product.
Fotolimpics will select the digital DSLR (Digital Single Lens Reflex) cameras, bridge (one body/zoom lens) cameras, and compact cameras as the tools to participate at the main contest.
All cameras must have the manual option for speed and aperture as it is one of the requisites for the contest.
There are many other cameras to obtain a picture and will be choosse to be in a different category. Cell phones, action cameras, drones, 35mm still film cameras and video cameras are a different category on each.
Depending on he type of contest, it will be the requirements for each camera and camera equipment/accesories.