One of the key pieces to Sony’s mirrorless success is the speed made possible by the world’s largest sensor manufacturer’s stacked designs. But while Sony makes stacked sensors for full-frame mirrorless and stacked one-inch sensors in cameras like the RX10 V and RX100 VII, Sony’s APS-C mirrorless lineup skips the layered sensor built for speed.
Fresh reports are circulating that Sony’s sensor division is working on a 26MP APS-C stacked sensor. While Sony has yet to confirm the existence of such technology, the report is fanning the flames of rumors for potential new cameras such the Sony A6900 or a cinema-grade APS-C camera like the Sony FX30 II.
Sony’s stacked shutter design is the reason why cameras like the new Sony A7R VI can shoot at 30fps and 67MP when high-resolution cameras have traditionally been far slower than lower-resolution models.
The stacked design isn’t relegated only to Sony’s high-end mirrorless cameras either, with the layered sensor design also popping up in cameras like the RX10 V bridge camera and the RX100 VII compact camera – not to mention the stacked sensors inside some Sony smartphones. In fact, Sony first brought a stacked one-inch sensor to compact cameras in 2015.
Ten years after bringing the stacked design to compact cameras, I think it’s a fair question to ask when Sony could fill the gap between compact and full frame with an APS-C sensor.
Stacked sensors give the imaging chip dedicated layers for memory in order to speed up processing times. The result is faster burst speeds for stills and faster video frame rates.
Such an upgrade would make sense for the theoretical update to the A6700, as Sony’s more advanced stills-focused APS-C model is a good budget option for genres like sports and wildlife. But the rumors are calling for Sony’s upcoming sensor to be 26MP, which wouldn’t offer a resolution boost over the current model.
Without confirmation from Sony, it’s unclear if the brand’s next mirrorless camera could feature a stacked sensor design. Sony is the world’s largest sensor manufacturer, and even if the rumored sensor exists, there’s still a good chance that it isn’t destined for one of Sony’s mirrorless cameras.
But, having used the Sony a6400 as a budget birding camera and having also shot with the A7 V and A7R VI, I would love to see Sony’s stacked sensors come to the A6000 series.
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