Sony's A7R VI blends speed with a 67MP stacked sensor - Engadget

"The 67-megapixel A7R VI is not only Sony's highest-resolution mirrorless camera ever but its first A7R model with a fully stacked sensor. That allows for incredible detail, higher speeds and reduced rolling shutter, making it one of the company's most versatile cameras yet. However, it's also the most expensive model ever in this series."

"The key change from before is the switch from a 61MP backside-illuminated sensor to a fully stacked 67MP sensor. That not only gives photographers more detail but also mitigates one of the biggest problems with the previous model: rolling shutter distortion. With a much faster readout speed, you'll be able to use the electronic shutter in more situations and video "jello" will be far less of a problem."

"The faster sensor and new Bionz XR2 processor also supercharge RAW burst speeds to 30 fps (blackout-free) from 10 fps before with the electronic shutter. Speed with the new mechanical shutter remains at 10 fps, still highly respectable for such a high-resolution camera. The A7R VI is the first R camera to offer pre-capture as well, letting you capture up to 15 frames with the shutter button half-pressed before full activation."

"The 759-point (94 percent coverage) phase-detect autofocus now works at up to F22 and in light as low as EV-6 and promises speeds that can keep up with the 30 fps bursts. It adds human pose estimation on top of eye, face, head and body detection for humansand now supports smaller sizes for animal, bird, vehicle and insect detection. That's important because the A7R VI's high 67MP resolution lets you crop in on subjects more than ever."

The 67-megapixel A7R VI is Sony’s highest-resolution mirrorless camera and the first A7R model with a fully stacked sensor. The move from a 61MP backside-illuminated sensor to a stacked 67MP sensor increases detail and reduces rolling shutter distortion through faster readout. Electronic shutter performance improves for both stills and video, with less “jello.” RAW burst speeds rise to 30 fps blackout-free with the electronic shutter, while mechanical shutter speed stays at 10 fps. The camera adds pre-capture for up to 15 frames before full activation. Autofocus uses a 759-point system with expanded low-light and aperture support, plus enhanced human pose estimation and broader animal, bird, vehicle, and insect detection.

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