An action camera or action cam is a
digital camera
A digital camera, also called a digicam, is a camera that captures photographs in Digital data storage, digital memory. Most cameras produced today are digital, largely replacing those that capture images on photographic film or film stock. Dig ...
designed for recording action while being immersed in it. Action cameras are therefore typically compact, rugged, and waterproof at the surface level. They typically use
CMOS image sensors,
and can take photos in burst mode and time-lapse mode as well as record
high-definition video
High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for ''high-definition'', generally any video image with considerably more than 480 vertical scan lines ( ...
(as of 2019, mid-range to high-end action cameras can record
4K video at 60
fps). Slow-motion video recording at 120 or 240 fps is also a common feature.
Overview
The camera is typically worn or mounted in such a way that it can shoot from the point of view of the shooter. Some examples of common places to mount an action camera are on a hat or helmet, on the chest, or on the handlebars of a bike or similar vehicle. They may also be mounted on a tripod or on a
monopod
A monopod, also called a unipod, is a single staff or pole used to help support cameras, binoculars, rifles or other precision instruments in the field.
Camera and imaging use
The monopod allows a still camera to be held steadier, allowing ...
for handheld use. An action camera is usually designed to require minimal interaction once recording has begun, as this allows continuous capture of the action without having to interact with the camera. A typical action camera records onto a
microSD
Secure Digital (SD) is a proprietary hardware, proprietary, non-volatile memory, non-volatile, flash memory card format developed by the SD Association (SDA). Owing to their compact size, SD cards have been widely adopted in a variety of port ...
card, and has either a
Micro-USB
The initial versions of the USB standard specified connectors that were easy to use and that would have high life spans; revisions of the standard added smaller connectors useful for compact portable devices. Higher-speed development of the USB ...
or a
USB-C
USB-C, or USB Type-C, is a 24-pin reversible Electrical connector, connector (not a Communication protocol, protocol) that supersedes previous USB hardware#Connectors, USB connectors (also supersedes Mini DisplayPort and Lightning (connector) ...
connector.
Action cameras are associated with outdoor sports, and, often attached to helmets, surfboards or handlebars, are an integral part of many
extreme sport
Action sports, adventure sports or extreme sports are physical activity, activities perceived as involving a high degree of risk of injury or death. These activities often involve speed, height, a high level of physical exertion and highly speci ...
s such as
base jump
BASE jumping () is the recreational sport of jumping from fixed objects, using a parachute to descend to the ground. BASE is an acronym that stands for four categories of fixed objects from which one can jump: buildings, antenna (radio), antenna ...
ing and
wingsuit flying. Sometimes several cameras are used to capture specific perspectives, such as a helmet camera that sees the perspective of the actor in combination with a second camera attached to the environment of the rider, such as a board, wing, handlebar or wrist, that looks back onto the rider and records their reactions.
The category is commonly associated with the
GoPro
GoPro, Inc. (marketed as GoPro and sometimes stylized as GoPRO) is an American technology company founded in 2002 by Nick Woodman. It manufactures action cameras and develops its own mobile apps and video editing software, video-editing software ...
range of cameras, and many action cameras come with a GoPro mount adapter to take advantage of the accessories available for these cameras. However, there are many GoPro alternatives which are entering the market of action cameras in recent times.
In 2014, worldwide action camera sales increased by 44 percent from the previous year and half of them have the capability to shoot Ultra High Definition at
4K resolution
4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 38402160 (4K UHD) with a 16:9 asp ...
. Action camera sales have surpassed traditional camcorder and compact camera sales, and it is predicted that in 2019, action camera sales will surpass all types of cameras due to the sales of other camera types declining or stabilizing.
By 2021, the Ultra HD category of the action camera market is expected to reach $3.3 billion. The Full HD category, meanwhile, is expected to reach $2.2 billion, with the surveillance/security industry driving growth.

In 2018 Sony launched a shock and waterproof camera with a 1" sensor in a body size similar to an action camera. However, Sony is not marketing it as an action camera; rather, as a video professional camera with the capability to shoot with up to 15 cameras at the same time.
Product lines
Besides the GoPro line, other models of action cams include the:
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Sony
is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...
HDR-AS10, HDR-AS15 and HDR-AS30V
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Garmin
Garmin Ltd. is an American multinational technology company based in Olathe, Kansas. The company designs, develops, manufactures, markets, and distributes GPS-enabled products and other navigation, communication, sensor-based, and information ...
VIRB
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Panasonic
is a Japanese multinational electronics manufacturer, headquartered in Kadoma, Osaka, Kadoma, Japan. It was founded in 1918 as in Fukushima-ku, Osaka, Fukushima by Kōnosuke Matsushita. The company was incorporated in 1935 and renamed and c ...
HX-A500E
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Toshiba
is a Japanese multinational electronics company headquartered in Minato, Tokyo. Its diversified products and services include power, industrial and social infrastructure systems, elevators and escalators, electronic components, semiconductors ...
Camileo X-Sports
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Polaroid Cube
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TomTom Bandit
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Xiaomi
Xiaomi (; ) is a Chinese multinational corporation and technology company headquartered in Beijing, China. It is best known for consumer electronics software electric vehicles. It is the second-largest manufacturer of smartphones in the worl ...
YiCamera
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Ricoh
is a Japanese multinational imaging and electronics company. It was founded by the now-defunct commercial division of the Institute of Physical and Chemical Research (Riken) known as the ''Riken Concern'', on 6 February 1936 as . Ricoh's hea ...
WG-M1
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Insta360
Arashi Vision Inc. (), doing business as Insta360, is a camera company headquartered in Shenzhen, China with offices in Los Angeles, Tokyo and Berlin. It makes action cameras, 360-degree cameras, Video editing software, editing software for mob ...
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DJI Osmo Action
See also
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Body worn video
A body camera, bodycam, body-worn video (BWV), body-worn camera, or wearable camera is a wearable technology, wearable audio, video, or photographic recording system.
Body cameras have a range of uses and designs, of which the best-known us ...
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Dashcam
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360 camera
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Pocket video camera
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Rugged compact digital camera
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Underwater photography
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Webcam
A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in Videotelephony, video telephony, live streaming and social media, and Closed-circuit television, security. Webcams can b ...
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Refcam
References
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