![]() The new sensor features a new autofocus array with 567 phase-detect AF points embedded in a roughly square area that covers 99.7% of the vertical frame and 74% horizontally – switch to cropped APSC mode and you’ll enjoy 26 Megapixels with 325 points covering the entire frame. Meanwhile the Pixel Shift composite mode introduced on the A7r Mark III has been enhanced to capture 16 frames, using the built-in stabilisation to shift the sensor by half a pixel between each, to potentially quadruple the total pixel-count, although like the Mark III the actual composite process is performed using the Imaging Edge application on a computer, not within the camera itself. Announced in July 2019, it’s the successor to the A7r III launched almost two years earlier.Īfter using the same 42 Megapixel sensor for the previous two generations, Sony’s developed a new full-frame sensor for the Mark IV: a 61 Megapixel back-illuminated CMOS design which in pixel-count leapfrogs its current full-frame rivals. The Sony A7r Mark IV is a full-frame mirrorless camera with 61 Megapixels, 10fps shooting, 4k video up to 30p, built-in stabilisation and a Pixel Shift Composite mode that generates images with up to 240 Megapixels. Alternatively get yourself a copy of my In Camera book or treat me to a coffee! Thanks! Buy it now! Check prices on the Sony A7r IV at B&H, Adorama or WEX. Recommended, although if 42 Megapixels are enough for you, look for bargains on the earlier A7r III. Overall the A7r IV is an evolutionary upgrade over its predecessor, but it’s surprising how much a boost in resolution and autofocus performance has broadened the flexibility and appeal of this model in Sony’s lineup, again allowing it to tempt detail fanatics whether their subjects are static or in fast motion. I’m still frustrated by the woefully underused touchscreen and disappointed there’s no 4k at 60p nor any video in 10 bit - features presumably reserved for an almost mythical A7s upgrade - but the new digital microphone interface and improved autofocus remain valuable upgrades for video shooters, while the over-sampled 4k footage in the Super 35 mode certainly looks very good. ![]() I also appreciated Sony’s body tweaks, from the roomier grip and larger buttons to the dual UHS-II slots and higher resolution viewfinder. Here’s a camera that has the potential to deliver portraits, landscapes and architectural images that approach medium format quality, while also having the speed and croppability for distant sports and wildlife. Summary The A7r Mark IV is an impressive body, with its new 61 Megapixel sensor leap-frogging its high-res rivals to date and overall speed and handling that could easily tempt D850 owners.
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