The Canon EOS R1 delivers a 45MP sensor (DPReview), 8K video (Canon press release), and up to 20 fps electronic burst (Imaging Resource), positioning it as the top choice for professionals who need maximum resolution and video quality. The Panasonic Lumix S5IIX, with its 24.2MP sensor (Panasonic spec sheet), 6K video (DPReview), and Dual Native ISO for low‑light (Panasonic), offers a more porta...