Rumor: The Next Sony A7R V to Shoot 8K Video Using 61MP Sensor

According to a recent leak of specs for the Sony A7RV, the mirrorless camera will be capable of capturing 8K video from a redesigned 61MP full frame sensor. According to the rather detailed spec sheet, the A7RV is rumored to have the same Sony BIONX XR image processor as the A7 IV and A7S III, but with twice the speed.

Also similar to the models above, the A7R V (dubbed ILCE-7RM5) will have the same 2.36 million dots articulating LCD screen. As for autofocus, the next-gen mirrorless beast will have a 759-point phase-detection autofocus system that will cover about 92% of the screen, with 425 contrast detection points.

Image Credit – Sony

The Autofocus will also have real-time tracking, with Eye AF modes covering animals and people. The Eye AF will also be able to track birds and have a focus rating of EV-4 in low light, one stop better than the A7RIV.

Further listed on the spec sheet, the A7RV is believed to enjoy burst modes as fast as 10fps in uncompressed Raw with pixel shift multi-shooting, and incorporate 5.5 stops of five-axis image stabilization.

The A&R is also believed to incorporate Sony’s True HDR 10-bit color capture mode in HEIF and a hybrid log gamma still image mode.

a7R-IV tilt screen touchscreen

Image Credit – Sony

On the video side, the A7R’s rumored capability is to shoot 8k at 30 frames per second, oversampled from a 9.6K image. It will also be able to shoot in 4K60p with oversampling and can capture in both full frame and Super 35mm modes.

The recording is all internal, with a 4:2:2 10-bit color gamut, plus additional modes including Long GOP All-I/XAVC S-I recording, and the option of capturing in H.265.

There is also S&Q mode, which is for high-quality slow-motion, Benny Hill style over cranking quick motion, and simultaneous capture of lower resolution proxies for video editing.

The leak also suggests that Sony may have been able to eliminate recording limitations by designing a new heat management dissipation structure to wick away heat buildup while shooting at higher resolutions for an enduring amount of time.

In addition to designing away heat issues from the system, the leak also points to a new “breathing correction” scheme, which apparently will digitally compensate for focus breathing.

Sony a7R IV a7r mark iv

Image Credit – Sony

Rounding out the rumored feature set includes a USB-C 3.2 Gen 2 port that can transfer up to 10Gbps of data (dubbed SuperSpeed USB), and a pair of CFExpress Type A card slots for storage.

There are plenty of other functions, and quite frankly it sounds like way too much detail for a legitimate rundown of specs. So it may be that the leaker wanted to fill in the gaps with some blue sky speculation. Readers can decide for themselves here.

But regardless, the nextGen A7R V is coming sooner or later, and likely will embrace the emerging 8K spec that is rapidly making itself known.

[source: Photo Rumors, DP Review]

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