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libcamera is an open-source software library for image signal processors and embedded cameras on Linux distributions such as Android, ChromeOS and Ubuntu. [3] [4] [5] ...
Video4Linux (V4L for short) is a collection of device drivers and an API for supporting realtime video capture on Linux systems. [1] It supports USB webcams, TV tuners, CSI cameras, and related devices, standardizing their output, so programmers can easily add video support to their applications.
Phase-detection autofocus "sees" through window glasses without problems and is much more accurate, but it does not work in low-light conditions or on surfaces without contrasts or with repeating patterns. A very common example of combined usage is the phase-detection auto-focus system used in single-lens reflex cameras since the 1985s. The ...
A newly developed 15-point autofocus system is also included, with 16.2 and 14.2 megapixel Exmor APS HD CMOS sensors for the A55 and A33, respectively. Both shooters come with a fully articulated ...
In most digital cameras, by default autofocus is only activated (AF-on) when the shutter button is pressed halfway down, which helps to preserve battery life. However, some photographers find that having AF-on and the shutter release on the same button makes it harder to establish the correct focus point, or hold it once the desired point is ...
An Arri 35mm film camera with a follow focus mechanism mounted to a zoom lens. Pulling focus using a follow focus device. A follow focus is a focus control mechanism used in filmmaking with film cameras and in television production with professional video cameras.
Cinema EOS is a branch-off from the existing EOS line of cameras that dates back to 1987 with the introduction of the analog Canon EOS 650.With many Canon DSLRs adding motion video capabilities, starting with the Canon EOS 5D Mark II in 2008, [2] [3] Canon decided to focus on making cameras specially designed for motion video instead of just producing still video cameras with some motion video ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 January 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 ...