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  2. Back-illuminated sensor - Wikipedia

    en.wikipedia.org/wiki/Back-illuminated_sensor

    The technique was used for some time in specialized roles like low-light security cameras and astronomy sensors, but was complex to build and required further refinement to become widely used. Sony was the first to reduce these problems and their costs sufficiently to introduce a 5-megapixel 1.75 μm BI CMOS sensor at general consumer prices in ...

  3. Camera - Wikipedia

    en.wikipedia.org/wiki/Camera

    This is an accepted version of this page This is the latest accepted revision, reviewed on 25 February 2025. Optical device for recording images For other uses, see Camera (disambiguation). Leica camera (1950s) Hasselblad 500 C/M with Zeiss lens A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light ...

  4. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.

  5. This easy-to-use lightbulb camera is a quick way to add ... - AOL

    www.aol.com/lifestyle/lightbuld-security-camera...

    The easiest way to do that is with a security camera, and one of our favorites is the LaView 4MP Bulb Security Camera, and it happens to be on sale now for $29 for Amazon Prime members. LaView $29 $50

  6. Aptina - Wikipedia

    en.wikipedia.org/wiki/Aptina

    The Nikon 1 series used Aptina sensors with dual conversion gain sensors, allowing users to choose from a mode with high dynamic range (DR) but low ISO, and a low light mode with low read noise but also less DR. [12] In 2014 the company started offering a 1-Inch 4K Image Sensor for security and surveillance cameras. [13]

  7. Closed-circuit television camera - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television...

    These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

  8. Digital camera - Wikipedia

    en.wikipedia.org/wiki/Digital_camera

    Bridge cameras generally include an image stabilization system to enable longer handheld exposures, sometimes better than DSLR for low light conditions. As of 2014, bridge cameras come in two principal classes in terms of sensor size, firstly the more traditional 1/2.3" sensor (as measured by image sensor format) which gives more flexibility in ...

  9. Artificial intelligence for video surveillance - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence...

    This type of A.I. for security is known as "rule-based" because a human programmer must set rules for all of the things for which the user wishes to be alerted. This is the most prevalent form of A.I. for security. Many video surveillance camera systems today include this type of A.I. capability.