Digital cameras record images in a format that can handle any computer. We divide them into categories DV and HDV. Older and more widespread DV cameras are intended for undemanding users. Uploading image primarily in the ratio of 4:3 (later supports 16:9) and are based on the principle of television standards PAL and NTSC. DV cameras use to store videos MiniDV tapes, 8 cm DVD, hard drives or memory cards.