Sony announces A7 IV full-frame camera with 33MP sensor and fully articulating display

Sony has announced the Alpha 7 IV also known as the A7 IV as the successor to the previous Sony A7 III which was Sony’s entry-level full-frame camera launched in 2018.


I would term this as one of the ultimate hybrid cameras you can buy right now. It boosts the photographic capabilities of the Sony A7 III while significantly improving its video capabilities.

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Sony A7 IV Features

The Sony A7 IV comes with a new 33-megapixel full-frame back-illuminated Exmor R CMOS sensor. Sony claims this new sensor offers up to 15 stops of dynamic range. Also, it has an ISO sensitivity range of 50-204,800. It also has dual native ISO, with the second step coming in at ISO 3200.

The image processor on this new A7 IV is the latest gen BIONX XR processor, which was in the flagship Alpha 1.
It is now capable of 10fps of continuous shooting with AF/AE tracking and a larger buffer size compared to the A7 III.

Also, the autofocus system now uses 759 PDAF points with real-time tracking of objects and real-time Eye AF. It can now track animals’ eyes which is a new feature on a Sony camera.

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The design has seen noticable changes when compared to its predecessor. It now has a new top layer mode dial for Auto/P/A/S/M and MR and a lower layer dial for Still/Movie/S&Q modes for quick operation. The body made of magnesium alloy has been made larger for better grip. It is still weather resistant. Also, the recording button is now on the top for easy access.
Surprisingly, there’s a USB-C port for powering the camera & data transfer and also a full-size HDMI port for external recording and monitoring. The dual card slots have been upgraded, with one supporting SD and the other either SD or CFexpress Type A cards.

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The display on this new Sony Alpha camera has been upgraded as it can now flip around thanks to the fully articulating design. It is still a touch screen. If you are more of a photography person, then you’d love the 3.68-million dot EVF, which has 1.6x the resolution of the A7 III.

For recording videos, the Sony Alpha 7 IV can record 4K videos at up to 30 fps using the full width of its sensor. However, if you go up to 4K 60 fps, a crop is introduced. Also, the image is downsampled from 7K down to 4K for all frame rates including and below 30fps.
As for codecs, the A7 IV can now record 4K videos in 10-bit depth and 4:2:2 color sampling as well as XAVC S-I intra-frame recording. It has different color profiles including the S-Cinetone picture profile usually found in Sony’s cinema cameras.

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Some other new features on here are only available with compatibility lens like focus transitions when using autofocus, color visualization of depth of field. They have also gotten rid of focus breathing.

Sony A7 IV Price

The new Sony A7 IV is priced at $2500 for body-only while a kit version with Sony’s FE 28-70mm F3.5-5.6 OSS zoom lens is priced at $2,700. It will be available in December 2021.

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