This is the actual size of the 6D Mark II sensor: 35.9 x 24 mm. The sensor has a surface area of 861.6 mm². There are approx. 26,200,000 photosites (pixels) on this area. Pixel pitch, which is a measure of the distance between pixels, is 5.73 µm. Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the Canon 6D Mark II Review - 6D Mark II Field Test Part I. Photo News. News. Photo News; (765 grams) with a battery inserted. Its dimensions are 5.7 x 4.4 x 2.9 inches (144 x 111 x 75 millimeters). FStO.