Single lens reflex 120 mm. or SLR camera with a system similar to the camera measures 35 mm. But it will take a 120 mm size film. The camera has a screen on a double lens reflex camera. You can change the eye level. Agility in use, less than the 35 mm because the size and weight more. Popular professional photographers used. The photography in advertising or photography. The packaging film can be removed from the camera, the film is called back so many kinds of films selected by the interchangeable use even while the film did not roll for the duration of the viewfinder to frame a retractable shade and a small magnifying lens. Allows to adjust the sharpness more accurately the image in the viewfinder is left to right. The motion requires a camera that is going to be difficult. The aperture and shutter speed the photographer to select Manual. Shutter plate with both associated with the flash at any shutter speed and focal plane. Since the camera film size 120 mm. A large, high-resolution photos with grain. With high resolution and color saturation for the image to expand to a larger size.