And the point is - this products are not essential, compared to the smartphones or petrol for example! The R5 can shoot at up to 20 frames per second using its mechanical shutter, or at up to 12 fps using its electronic shutter. Firmware v1.01 for the a7 IV included the promise that it 'improves the accuracy of the Eye AF feature,' but we found we still got better results using manual focus than with the Eye AF focusing. Autofocus Summary The Sony A7 IV is a much more reliable camera here when it comes to recording continuously for longer periods of time. Video spec summary:

The a7 IV's extensive customization and power come at the cost of complexity, though. Once you've explored the camera and configured it the way you want, you can ignore much of what lurks in the menus and just get out and shoot. But the ability to define virtually every behavior can be overwhelming. Even as an experienced enthusiast shooter, it was the simplicity of the AF system I appreciated much more than the extensive (excessive?) level of customization the camera offers.

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This table should make clear that the a7 IV is well specced, but not to the point of standing out from its less expensive rivals. As such, it's going to be the real-world performance of the AF system, the degree of rolling shutter in its 4K footage, and its ability to maintain its 10fps burst rate for many hundreds of images that will need to set it apart. JPM29, That doesn't help answer the original question. A nicer screen would still be nicer, even if not *strictly* necessary. But there's plenty of things you could point to on a high end camera that aren't strictly necessary, but have been included because some customers want. If you'd hoped the Sony A7 IV's new 33MP sensor might dramatically improve its image quality from the A7 III, you may be disappointed. But in this case, miniaturization of an EVF LCD was not the major design problem...the major problem was with lighting a large rear-mounted high-resolution LCD panel enough to overcome ambient lighting, which can sometimes be very bright.

If as a photographer you need the highest possible resolution and the ability to capture extremely detailed images, the R5 will be the better choice. Which would you buy for the low light performance: Sony A7 IV – ✅ The R5 has a 45-megapixel full-frame CMOS sensor, 5,940 phase-detection AF points, and the ability to capture 8K video at 30 fps.The a7 IV adds a Breathing Compensation mode that crops and resizes the video to cancel out any change in a lens's angle-of-view (AoV) as it focuses. The mode only works with select Sony lenses (all the GM lenses and some G series glass), as the camera needs a profile of the breathing characteristics. Video is cropped to match and maintain the narrowest AoV that might occur if you focused from minimum focus distance to infinity, meaning there's no distracting change of framing as you refocus. The a7 IV still offers twin card slots: both accept UHS-II SD cards with the upper one also able to take one of Sony's small CFexpress Type A cards, which can maintain much faster write speeds than the fastest SD cards (typically 400MB/s minimum sustained write, vs 90MB/s minimum sustained write for V90 SD cards). Improved UI The α7 IV’s Quad-VGA OLED viewfinder provides roughly 1.6 times the resolution of the α7 III viewfinder, with a 37.3° FOV and a 23mm high eyepoint. With high resolution, improved electronic viewfinder image quality, and fogging and dust resistance (including significantly improved internal fogging resistance relative to the α7 III), it is designed for clear and comfortable viewing in a wide range of shooting environments. Regarding key specifications, both the Canon EOS R6 and the Sony A7 IV have a lot to offer. Both cameras offer a wide range of features and capabilities, making them great choices for photographers of all skill levels. Here’s a brief overview: