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Movie camera

Adapted from Wikipedia · Adventurer experience

An early film camera known as the Cinematograph, used by the Lumière brothers to capture the first motion pictures.

A movie camera (also known as a motion picture camera, or cine-camera) is a special type of camera used to take many pictures very quickly. These pictures, called frames, are captured either on film stock or with an image sensor. When these frames are shown one after another very fast, they create the illusion of motion, just like what we see in movies.

An IMAX cinema camera, displayed at the National Science and Media Museum, Bradford, England.

Unlike a still camera that takes one picture at a time, a movie camera uses an intermittent mechanism or electronic methods to capture a series of images. These images are then shown using a movie projector or a video projector. The speed at which these frames are shown is called the frame rate.

Our eyes can see these separate images as smooth, moving pictures because of how our brain works. This ability is known as persistence of vision. Using more frames per second makes the motion look even smoother, while fewer frames can create a flickering effect.

History

Illustration of a "portable" camera obscura in Kircher's Ars Magna Lucis et Umbrae (1645)

Screen practice goes back to the 1600s, when images were first shown using tools like the magic lantern. Over time, new ways to show moving pictures were created, leading to the invention of cameras that could capture quick, moving images.

Early inventors like Eadweard Muybridge and others used many cameras to take pictures in quick succession, making it look like motion when shown fast. Later, cameras were made that could take many pictures in a row on film, and these were used to make the first movies. Today, most movies are made with digital cameras, which save pictures on computers instead of film.

Technical details

A modern Sigma Cine 40mm T1.5 with a PL lens mount.

A movie camera is a special camera that takes many pictures very quickly to make moving images. Unlike regular cameras that take one picture at a time, movie cameras take many pictures in a row. These pictures are called frames. When shown quickly, they look like a video.

Movie cameras have some important parts. The lens focuses light into the camera, like your eyes do. Inside the camera, a shutter opens and closes to let light hit the film or digital sensor, capturing each frame. The film moves through the camera at a steady rate, usually around 16 frames per second, which makes the motion look smooth. Over time, cameras changed from using hand cranks to motors to move the film. Today, many cameras use digital sensors instead of film to capture images.

Home movie cameras

Small movie cameras have been made since the 1910s. They let families and amateur filmmakers create their own movies. Formats like 8mm, 9.5 mm, 16 mm, and Super 8 were popular because they cost less than bigger formats. These cameras made making home movies fun for many families.

In the 1920s, new cameras like the Kinamo made filming easier. Later models added motors, so people could film while moving. Today, many cameras and smartphones can capture video. This makes it easy to record special moments.

Images

Historical animation showing a horse galloping, reconstructed from classic photographs.
An old 35 mm Arriflex movie camera, a classic piece of film-making equipment.
A Red EPIC camera, a modern digital cinema camera used for making movies.
Animation showing the double claw mechanism inside a movie projector, used to move film through the device.
A chart showing the main movie formats arranged in chronological order, helping to understand how films have changed over time.
A comparison showing how anamorphic widescreen formatting works on 35 mm film.
A historical page showing techniques for tinting and toning early motion picture film.
Charles Kayser from the Thomas Edison laboratory with an early Kinetograph camera, used to make films for the Kinetoscope in the late 1800s.
An old movie camera called an Aeroscope, used for filming movies in the past.
An animated diagram showing how a film camera works.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Movie camera, available under CC BY-SA 4.0.

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