Full-frame camera

A full-frame camera is a digital single-lens reflex camera (DSLR) or mirrorless camera with an image sensor format of 36 mm × 24 mm. This format is equivalent to the 35 mm film format, which was historically one of the standard film formats. Because of this equivalence, 36 mm × 24 mm is occasionally called 35mm full-frame format. Many digital cameras, both compact and SLR models, use smaller sensor formats as they are generally easier and cheaper to manufacture. Historically, the earliest digital SLR models, such as the Nikon NASA F4 or Kodak DCS 100, also used a smaller sensor. Kodak states that 35 mm film (note: in "Academy format", 21.0 mm × 15.2 mm) has the equivalent of 6K horizontal resolution, according to a senior vice president of IMAX. This equates to 10K horizontal resolution in full-frame size.