We used a Canon EOS 6D camera, that is, a full-frame, 35-mm, Digital Single-Lens Reflex (DSLR). The camera has a 20.2-megapixel full-frame CMOS sensor and an ISO range of 100–25,600, expandable to L: 50, H1: 51,200 and H2: 102,400 for better image quality, even in low ...