Who makes the sensors for Sony cameras?

Sony. Sony Semiconductor has a long history of sensor development, and the sensors in Sony cameras are simply the latest iteration of a long chain of APS-sized and full frame sensors they've made.

A corollary question tends to be: are these the same sensors as Nikon uses in some of their cameras? That’s a tricky question. Sometimes the answer is yes, sometimes Nikon has had the sensor tweaked in some way (often in the microlens/Bayer filtration layer). Likewise Sony Imaging now tends to the do the same thing, tweaking existing base sensor designs to their needs. Moreover, many Sony camera sensors have multiple ways that they can be “driven,” and Nikon and Sony tend to differ in how they do this.

So, the answer is this: a lot of the base technologies are the same. For instance, both companies use basic Exmor photosite designs, column ADCs, and dual gain technologies. Both have moved towards BSI and stacked sensor designs, though Sony has been the more aggressive at that. Both appear to be using copper piping in the BSI designs now, too. So, a lot of similarities, with quite a few tweaked differences, too.

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