The Sony Alpha 7 IV resolves 94 percent of its sensor’s theoretical maximum resolution and keeps this resolving power consistently through ISO 1600. The Sony Alpha 7 IV was tested using the Sony FE 1.2/50 GM lens for both resolution and speed measurements. The lower layer lets you toggle between still, movie and S&Q modes, while the top is your traditional Auto/P/A/S/M settings. Sony also debuted a new design element on the a7IV: a dual-layer mode dial. Moreover, it features 10-bit (4:2:2) color sampling, support for the S-Cinetone profile used in Sony’s cinema camera line, and H.265 encoding for when you need file efficiency. The Alpha 7 IV can record 4K/60p video when shooting in Super 35mm mode, or 4K/30p video in full-frame mode. The camera features 5-axis in-camera stabilization good for 5.5 stops of shake reduction and an ISO range that’s expandable to ISO 50 – 204,800. But humans aren’t left out: Sony says the camera’s face and eye detection accuracy for humans is improved by approximately 30 percent compared to the Alpha 7 III.Īnother improvement over the A 7 III is the OLED Quad-VGA viewfinder, which has 1.6 times the resolution of the Alpha 7 III’s viewfinder. It’s the first Sony camera with Real-time Eye AF that can track birds’ and animals’ eyes for both still images and movies. As for autofocus, the camera boasts 759 phase-detection AF points in a high-density focal plane phase-detection system covering roughly 94 percent of the image area. The processor powers 10 frames per second (fps) continuous shooting with AF/AE tracking. The Alpha 7 IV features a 33-megapixel back-illuminated sensor and the same BIONZ XR processor that’s found in the A1 (aka Sony’s speed demon). The new Alpha 7 IV continues the tradition, mixing in new achievements in design and autofocusing alongside advanced technologies originally debuted on other Alpha models. Rangefinder is a member of the Technical Image Press Association, which has contracted with Image Engineering for detailed lab tests of cameras. Recently they put the Sony Alpha 7 IV under their proverbial microscope and we’ve distilled the results.Įver since Sony introduced the first full-frame mirrorless camera with autofocusing (way) back in 2013, the company has worked hard to retain its first-mover advantage by plowing advanced technologies and industry-firsts into what’s become a robust lineup of cameras.
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