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Sony reveals 21MP 4 Thirds stacked CMOS sensor able to 120 fps full-width readout: Digital Images Evaluation


Sony Semiconductor Options has printed a product information sheet detailing the specs for the IMX472-AAJK, a 21.46MP 4 Thirds stacked CMOS picture sensor. Because it stands, that is the primary recognized occasion of a stacked CMOS sensor for 4 Thirds-sized cameras and the accompanying readout speeds makes for some spectacular imaging capabilities.

Nevertheless, regardless of pace that might underpin spectacular video (and AF) capabilities, the pixel depend seems to be too low to ship the ‘5.7K’ output promised of the forthcoming Panasonic GH6.

The IMX472-AAJK measures 21.77mm diagonally and contains a complete of twenty-two.93M pixels, with 21.46M efficient pixels and 20.89M energetic pixels. The sensor contains a 27dB Programmable Achieve Amplifier (PGA) circuit and 12-bit A/D converter with a 14 lane (8 lane + 6 lane) Scalable Low-Voltage Signaling with Embedded Clock (SLVS-EC) interface. This all provides as much as the sensor having the ability to readout 12-bit pictures as much as 20.89M pixels at simply over 120 frames per second (fps) and 10-bit pictures at simply over 158 fps.

A full breakdown of the readout speeds at numerous resolutions and bit-depths.

What this implies is the sensor ought to be capable to supply full-width oversampled 4K video at as much as 120 fps with full dynamic vary. It additionally means it might enhance Panasonic’s Depth From Defocus (DFD) autofocus efficiency, ought to this sensor be utilized by Panasonic in a future GH-series digicam system.

This particular model of this sensor additionally seems to have readout modes particularly designed for phase-detection autofocus techniques. That does not essentially imply we’ll see that in any forthcoming Panasonic cameras, however OM Digital Options, however, might have one thing up their proverbial sleeves.

The product info sheet reveals the ‘AAJK’ variant is a Quad Bayer sensor, nevertheless it’s not out of the realm of prospects for a standard Bayer model to be accessible for digicam producers as properly. For example, the specs of the Quad Bayer IMX299CJK line up extraordinarily properly with these of the traditional Bayer sensor utilized in Panasonic’s GH5S.

Sony Semiconductor Options doesn’t specify when this explicit sensor will probably be accessible to digicam producers within the product info sheet, however traditionally talking, if it’s on the Sony Semiconductor Options web site, it’s possible already accessible to prospects.

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