In such a situation, 21 of these points also remain cross type for extra sensitivity, although this can vary with different lenses. Furthermore, all 61 points remain effective at f/8, which is great news for those using telephoto lenses with Extenders, perhaps for sports or wildlife. The EOS 5D Mark IV's 61-point AF system (including 41 cross-type points) appears to be very similar to the one inside the EOS 5D Mark III at first glance, although a more in-depth look reveals a handful of changes that echo those inside the EOS-1D X Mark II.įor a start, the points cover a wider area than before. This feature was not present on the EOS 5D Mark III, although its appearance on the recent EOS 1D X Mark II meant that it was very likely to make its way here too. This allows for smooth autofocus changes to be made simply by pressing the touchscreen at the desired point, and for subjects to be effectively tracked as they move across the scene.
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The other possible adjustment is reduction over ghosting effects such as flare.Ĭurrently, it appears that you need to use Canon's proprietary Digital Photo Professional program in order to make these adjustments, which is bundled with the camera as standard.Ī now almost standard part of the modern EOS DSLR feature set, Dual Pixel CMOS AF provides the user with a way to use phase-detect AF when the mirror has been flipped up (ie when using live view and movie recording). First, out of focus highlights can be shifted horizontally, which Canon reckons the photographer may chose adjust so that they work better with areas that are in focus. This technology works by capturing two images from very slightly different points of view, a process made possible thanks to two photodiodes incorporated into each pixel (which is the basis of its previously seen Dual Pixel CMOS AF mode, explained below).Ĭanon states that this technology also allows for two further adjustments. On the face of it this appears to work on a similar principle as the technology used in Lytro and selected Panasonic models, in that it allows the photographer to select a slightly different point at where the image is sharpest after the image has been captured. One feature we've not seen before on any EOS model is dubbed Dual Pixel Raw. Among other things this said to offer enhanced noise reduction, and also works with higher readout speeds from the sensor to help deliver marginally faster burst shooting (see below) than the EOS 5D Mark III. The new model eschews the previous DIGIC 5+ processor and opts for a newer DIGIC 6+ engine instead.
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