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Comparison of simplified back-illuminated and front-illuminated pixel cross-sections. A back-illuminated sensor, also known as backside illumination (BI) sensor, is a type of digital image sensor that uses a novel arrangement of the imaging elements to increase the amount of light captured and thereby improve low-light performance.
Exmor R is a back-illuminated version of Sony's CMOS image sensor. [5] Exmor R was announced by Sony on 11 June 2008 and was the world's first mass-produced implementation of the back-illuminated sensor technology. [6] [non-primary source needed] Sony claims that Exmor R is approximately twice as sensitive as a normal front illuminated sensor.
While the first three generations of X-Trans sensors are front-illuminated, the fourth generation uses the principle of backside illumination. This improves noise levels and image quality. This improves noise levels and image quality.
While back-illuminated electron-multiplying CCD (EMCCD) cameras are optimal for purposes requiring the lowest noise and dark currents, sCMOS technology's higher pixel count and lower cost result in its use in a wide range of precision applications. sCMOS devices can capture data in a global-shutter “snapshot” mode over all the pixels or ...
It has a backside-illuminated X-Trans CMOS 4 APS-C sensor and an X-Processor 4 quad core processor and uses the Fujifilm X-mount. The X-T4 is a weather-resistant camera equipped with a higher-capacity battery designed to last longer than the X-T3. [4] It is the successor to 2018's X-T3, [5] which is a little smaller and lighter. [6]
45.0 megapixel full-frame backside-illuminated stacked sensor [3] DIGIC X processor with new DIGIC Accelerator chip; 8K raw video recording at up to 59.94 fps [3] 100% autofocus coverage [3] 5,850 user-selectable autofocus points for still images [3]
The active circuitry in CMOS pixels takes some area on the surface which is not light-sensitive, reducing the photon-detection efficiency of the device (microlenses and back-illuminated sensors can mitigate this problem). But the frame-transfer CCD also has about half the non-sensitive area for the frame store nodes, so the relative advantages ...
The original Pentax Q sensor has a 12.4 megapixels with 1.52 μm pixel pitch. All Pentax Q system cameras have a short flange focal distance (FFD) of 9.2mm. With a 5.53× crop factor, an adapted 100mm lens has the equivalent field of view (FOV) of a 553mm telephoto in the 35mm full-frame format.