![]() ![]() ![]() We also tested this camera on a couple of camera-shy black cats, and where many cameras wouldn't even recognize that there's a face in the frame, it tracked their eyes flawlessly. Even when the subject turned their face away from the camera, it recognized straight away when they had turned back to face the camera again and followed them effortlessly around the frame. ![]() It could also recognize when the subject was wearing sunglasses, switching between face tracking and back to eye tracking when their eyes weren't covered. In action, the autofocus on this camera was near faultless and followed the subject perfectly keeping their eyes constantly in focus. This camera has fast hybrid autofocus with 567 point focal plane phase-detection AF (425 on the A7RIII) and 425 point contrast-detection AF - vastly improved from the previous model. Sony has introduced what they call 'real-time tracking', which means the camera has been trained to recognize eyes and faces. Where this camera comes into its own, though, is the incredible Sony autofocus system. Not to mention you can also use any APSC lenses you may already own. This means you can capture 10FPS bursts for much longer with less of a buffer, making it much more useful for shooting sports or fast action. If you don't need images with 61MP, with the touch of a button you actually can transform the A7R IV into a 26MP APSC camera with a 1.5x crop factor. The camera doesn't struggle with bright highlights or dark shadows, even when shooting directly into the sun. If you predominantly shoot sports or action photography, this probably isn't the camera for you. You can help speed things up more by using an even faster memory card, but as the file sizes are so big it's still not going to be particularly fast at writing the images to the card. We used a 120MB/s memory card in the camera, and with the file sizes being roughly around 120MB with no option for a medium or small RAW file, this meant it could take around a whole minute before we could continue shooting again. You would need to time your burst shots well to avoid the buffer filling up too quickly, but the A7R IV's ability to accurately lock onto moving subjects is incredible so you won't miss many shots. We tested this camera on a portrait shoot, and we got to around 60 shots in the buffer before the camera would struggle to take any more images, and we had to wait a while for the buffer to clear. However, you run into problems when you're shooting on drive mode as there seems to be quite a slow buffer time. The Sony A7R IV can shoot up to 10 continuous frames per second, which is impressive for a 61-megapixel full-frame camera with such large files. Up to 10 continuous frames per second shooting.The Sony A7R IV gives great astrophotography with fantastic detail even in the darkest shadows. The AF joystick is also larger and better, although the Auto-Focus on this camera is so good you likely won't even need to use it. It's now much more obvious when you've pressed them which may not sound like a very important issue in theory, but in practice, it's advantageous for astrophotographers who are more likely to be wearing gloves while out on a shoot. Sony has also redesigned the buttons on the camera body to be bigger and better and the previous model. Sony has now redesigned the grip to leave more space in between the grip and the lens, making you less likely to drop it. The grip is one of the aspects of the camera which has been improved after criticism of the A7R III, with many users commenting that there wasn't enough room between the lens and the grip. This camera weighs 665g with dimensions of approximately 128.9mm x 96.4mm x 77.5mm. The Sony A7R IV seems to perfectly balance the portability of a mirrorless camera while still being a big enough size to make it easy to grip. Bigger and better buttons than predecessor.Great lightweight size for a full-frame camera.A rear view of the Sony A7R IV shows the large LCD screen and camera controls. ![]()
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