Canon’s fastest, most fully featured professional EOS DSLR camera is about to get a whole lot better. Firmware Update Version 2.0.3 is a multi-faceted update that improves operation of Canon’s flagship EOS-1D X DSLR camera across the board. Incorporating feedback from professional users, Firmware Update Version 2.0.3 improves AF accuracy in low-light situations and enhances user control of AF shooting parameters. It also enables more control of exposure by incorporating wider ISO ranges in automated shooting modes and allows for more precise user customization for faster, more intuitive and adaptable performance tailored to the photographer’s needs. Combined with the camera’s highly durable construction, Firmware Update Version 2.0.3 helps ensure the EOS-1D X is ready for anything – an ideal professional tool optimized to help bring out the best in any photographer.