Canon EF 600mm f/4L IS III USM Lens

Canon

Brand 'Canon' matches exactly, Large, white telephoto lens design matches, Red stripe on the lens barrel matches Canon L-series, Overall form factor and size are consistent with a super telephoto lens visible in the frame, Material and finish appear identical

Canon 600EX II-RT Speedlite

bhphotovideo.com

Brand 'Canon' matches exactly, Black rectangular flash unit design matches, Clear/white diffuser panel matches, Red/orange front panel matches, Overall shape and size are consistent with the flashes visible in the frame

Canon Speedlite 600EX-RT

bhphotovideo.com

Brand 'Canon' matches product details, Product category (external flash) matches a key component of the described product, Visual design of the flash (black, rectangular head, red AF assist beam window) is highly consistent with flashes in the frame, Model (600EX-RT) is a professional-grade flash, aligning with 'Professional DSLR Camera'