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A digital camera file system standard; JEITA number CP-3461. [10] DIN: Deutsches Institut für Normung. A logarithmic system for expressing film speed in common use in Europe since 1934. Now combined with the ASA linear system, in the form of the ISO system. [4] DOF or DoF: Depth of field.
The International Organization for Standardization (ISO / ˈ aɪ s oʊ /; [3] French: Organisation internationale de normalisation) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries.
Some camera designs provide at least some EI choices by adjusting the sensor's signal gain in the digital realm ("expanded ISO"). A few camera designs also provide EI adjustment through a choice of lightness parameters for the interpretation of sensor data values into sRGB; this variation allows different tradeoffs between the range of ...
The APS-C cameras include the K-3 II, Pentax KP and K-S2. [29] The K-1 Mark II, announced in 2018 as successor to the Pentax K-1, is the current full-frame model. The APS-C and full-frame models have extensive backward compatibility with Pentax and third-party film era lenses from about 1975, those that use the Pentax K mount.
The new 1D X, on the other hand, featured amazingly little noise at high ISO. Canon also released the EOS-1D C. It was a cinema orientated camera that offered 4K video with a 10bit 4:2:2 color space and Canon Log capabilities internally, but it never sold well due to its high price point & form factor that was simply not suited for video use.
For example, as of 2008, Nikon cameras allow one to set the maximum and minimum ISO sensitivities, and slowest shutter speed that will be used in automatic modes, [4] while Canon cameras will select within the fixed range of ISO 400–ISO 800 in Auto ISO mode. In Nikon cameras, the Auto ISO mode first adjusts the shutter speed, keeping ISO at ...
Digital cameras usually have variable ISO settings that provide additional flexibility. Exposure is a combination of the length of time and the illuminance at the photosensitive material. Exposure time is controlled in a camera by shutter speed, and the illuminance depends on the lens aperture and the scene luminance. Slower shutter speeds ...
Firmware in the camera, or a software in a raw converter program such as Adobe Camera Raw, interprets the raw data from the sensor to obtain a full-color image, because the RGB color model requires three intensity values for each pixel: one each for the red, green, and blue (other color models, when used, also require three or more values per ...