Sony A7R IV Avis | 108 Données comparées

The DPReview evaluation of the Sony a7R IV highlights its 61-megapixel full-frame sensor, which offers exceptional image quality and dynamic range, supported by a reliable Real-time AF Tracking system. Physical improvements, including a better grip and a 5.76-million dot EVF, enhance the user experience, while dual UHS-II slots manage the massive file sizes. YouTube · However, the high resolution demands precise shooting to avoid revealing lens limitations, and shooting in uncompressed Raw significantly slows the burst speed and clogs the buffer. Limitations include a rigid 240MP pixel-shift mode, an outdated 8-bit video implementation, and an unintuitive menu system.

The Sony A7R IV is a full-frame mirrorless camera defined by its groundbreaking 61-megapixel Exmor R CMOS sensor, which delivers incredible real-world detail and natural color rendition for landscapes and static subjects. It pairs this massive resolution with an advanced hybrid autofocus system featuring 567 phase-detection points, uncannily effective human and animal Eye AF, and a remarkably fast 10fps continuous shooting speed. Design tweaks like a larger grip, a lockable exposure compensation dial, and a sharper 5.76-million-dot EVF make it handle better than its predecessor, the Mark III. Additionally, it features a 5-axis in-body image stabilization system offering up to 5.5EV of shake compensation and a 240-megapixel Pixel Shift Multi Shooting mode. Despite its technical achievements, the camera suffers from several handling and performance bottlenecks. Its main cons include aging ergonomics, a tiny 3-inch rear screen, and an overly complex menu system spanning 40 individual screens, making it difficult to operate without extensive customization. The camera's compact body also creates a front-heavy imbalance when paired with larger professional lenses like the 24-70mm f/2.8 G Master. Furthermore, its video capabilities feel...

The Sony Alpha A7R IV marks a significant milestone for mirrorless cameras, boasting a massive 61MP back-illuminated full-frame sensor that pushes into medium-format territory. Accompanied by the latest BIONZ X processing engine, it delivers remarkable detail and a promised 15 stops of dynamic range, while still managing impressive continuous shooting speeds of up to 10fps with full autofocus and auto-exposure tracking. The camera enhances workflow versatility with a 26.2MP APS-C crop mode and dual UHS-II SD card slots, alongside robust video capabilities that support 4K recording up to 30p, S-Log curves, and an updated Multi Interface Shoe for digital audio recording. Furthermore, a revamped Pixel Shift Multi Shooting mode allows photographers to generate mind-boggling 240MP composite images using external software, all supported by a sharper, ultra-high-resolution 5.76 million-dot electronic viewfinder and improved battery life rating up to 670 shots. The review highlights several key strengths and weaknesses that define the user experience. On the positive side, the camera offers great handling with improved body ergonomics, a highly sophisticated and intelligent autofocus system, and excellent 4K video quality. Reviewers also praised...

The Sony a7R IV is an exemplary full-frame mirrorless camera that sets a new benchmark for high-resolution photography with its groundbreaking 60.2MP BSI CMOS sensor and an outstanding autofocus system. Retaining a fast 10fps burst rate, the camera introduces Real-Time Tracking and EyeAF (for humans and animals), though the phase-detection area drops accuracy if subjects move outside its 74% sensor width coverage. Designed with enhanced ergonomics, it features a deeper handgrip, a more comfortable top-facing front dial, and robust dust and splash sealing. Furthermore, its advanced 5-axis image stabilization powers a Pixel Shift multi-shot mode capable of compositing massive 240MP files, making it a highly competitive and affordable alternative to medium-format systems for landscape and archival work. Despite its exceptional performance, the camera has notable drawbacks, particularly regarding file sizes—uncompressed images reach 122MB each, which can quickly fill memory cards and cause a 15-to-30-second buffer clearing delay during burst shooting. Videographers may also find it limiting, as it lacks 10-bit capture, restricts 4K recording to 8-bit at 24 or 30fps, and forces a Super35mm crop to achieve downsampled 6K-to-4K video...

The Sony Alpha A7R IV delivers rich, saturated JPEG images with crisp detail, supported by an exceptionally rapid autofocus system with high-success eye-detection, notes the ePHOTOzine review. The performance is further enhanced by effective 5-axis image stabilization, which produces steady handheld 4K video and clear subject separation. Conversely, the review notes that eye-detection can struggle with glasses, while auto white balance may produce cold results in mixed lighting. Further criticisms include a suboptimal menu system, an annoying NTSC/PAL switchover, and a smaller rear screen compared to competitors.

The Have Camera Will Travel review characterizes the Sony a7R IV as a highly refined, 61-megapixel gem that builds on previous models with cumulative improvements like a deeper, more ergonomic grip. Key strengths highlighted include a blazing-fast real-time tracking autofocus, effective 5-axis image stabilization, dual UHS-II SD card slots, and an improved electronic viewfinder. Have However, the review notes drawbacks, including massive file sizes that test storage and processing, as well as a lack of 4K 60fps video, which limits its appeal for high-end videographers. Additionally, the camera features limited touchscreen functionality and lacks a built-in GPS for automatic geo-tagging. Have

The Sony A7R IV review highlights the camera as a boundary-pushing full-frame mirrorless powerhouse, primarily defined by its massive 61-megapixel sensor and vastly improved ergonomics. On the positive side (pros), it delivers an exceptional level of detail, strong dynamic range up to ISO 1,600, and a High Res mode capable of generating 240-megapixel composite images. It fixes key physical complaints from its predecessor by introducing a deeper, more comfortable handgrip, enhanced weather sealing, a crisp 5.76-megapixel OLED viewfinder, and dual high-speed UHS-II SD card slots. Additionally, its Real-Time Eye AF and tracking system perform remarkably well for portraiture, and its capability to capture 4K video oversampled from 6K ensures incredibly sharp footage. However, the camera does come with notable drawbacks (cons). The ultra-high resolution is incredibly confrontational, amplifying the slightest photography mistakes and exposing minor blemishes or focus misses. For low-light shooting, the image sharpness decreases and noise becomes usable but limited beyond ISO 3,200. The autofocus system is not flawless, occasionally prioritizing eyelashes over the eyeball during portrait shoots. Videographers may also find the video capabilities lacking for demanding...

The Sony A7R IV is a mirrorless full-frame camera praised for its exceptional 61-megapixel Exmor R BSI CMOS sensor, delivering striking image quality, highly detailed results, and robust dynamic range. The reviewer highlights its solid ergonomics, deep grip, and high-quality tactile buttons that can comfortably be used while wearing gloves. For tech-minded users, its immense customisation options, high-resolution 240-megapixel pixel-shift shooting, and dual UHS-II SD card slots present significant functional advantages. Paired with lenses like the Sony FE 35mm f/1.4 GM, the system remains relatively lightweight, only weighing 200g more than a smaller APS-C setup. However, the reviewer encounters several drawbacks, particularly coming from a Fujifilm background. The complex, endless menu screens give the camera a utilitarian, "computer-like" feel rather than a traditional camera experience. The 5.76m-dot EVF proves disappointing as it displays images too dark, and the reviewer cannot intuitively display a crucial exposure histogram within it. Furthermore, the 5-axis in-body image stabilisation fails to feel as stable or continuous in the viewfinder as competing brand systems. Finally, processing the uncompressed RAW files in Lightroom is found to be...

In this hands-on preview, professional photographer Colby Brown evaluates the Sony a7R IV during a week-long wildlife photography trip in Alaska, highlighting significant evolutionary upgrades. The camera’s standout pros center around its groundbreaking 61 MP full-frame sensor, which enables aggressive cropping down to a 26.2 MP APS-C mode while preserving incredible detail—a major advantage for wildlife and travel photographers. Brown praises the dramatically improved Real-Time Tracking and Eye AF system (derived from the flagship Sony a9) for successfully locking onto fast-moving bald eagles, as well as the addition of dual UHS-II SD card slots that eliminate previous data processing bottlenecks. Furthermore, physical enhancements like a deeper handgrip, larger tactile buttons, a push-button lock on the Exposure Compensation dial, and customizable red or white AF points greatly enhance field ergonomics. YouTube ·B&H Photo Conversely, the review notes specific cons and performance limitations inherent to the camera's high-resolution design. A primary drawback is that the massive 61 MP files demand the absolute highest-tier lenses to resolve maximum details; Brown notes that while the 200-600mm G lens performed well, users genuinely require top-tier...

The Sony A7R IV is characterized by a 61-megapixel sensor that offers exceptional detail, dynamic range, and noise performance in a well-constructed, ergonomic body. Key advantages include a comfortable grip and a highly accurate AI-powered autofocus system, providing fast, reliable performance for a high-resolution camera. Conversely, the review highlights the camera's convoluted, sprawling menu system as a major drawback, which can hinder intuitive navigation. Additionally, the sheer volume of menu options creates an over-complicated user interface, impacting the overall, immediate usability for photographers. Trusted Reviews

The Sony a7R IV field test highlights the mirrorless camera as a landscape photographer’s dream, heavily praising its industry-leading 61-megapixel full-frame sensor and 14-bit processing engine. The reviewer notes that the image quality is spectacular, offering incredible detail recovery, 15 stops of wide dynamic range, and vibrant, life-like colors that do not break during heavy post-processing. Physical handling is significantly improved over the previous model, featuring a comfortable grip, an improved button layout, a precise focus joystick, and an excellent, bright electronic viewfinder. Additional operational benefits include exceptional all-day battery life and an impressive tracking autofocus algorithm that locks onto subjects reliably, making it an incredibly powerful tool for outdoor shooting. However, the camera suffers from frustrating software limitations and compatibility hurdles. The menu system remains typically cumbersome, and the smartphone application is highly unreliable, requiring a tedious five-minute setup process every time you want to transfer an image via Bluetooth or Wi-Fi. Tethering to software like Lightroom is equally messy, requiring multiple external Sony programs, while using the camera to acquire phone GPS coordinates heavily drains the battery. Furthermore,...

Sony A7R IV Review Summary The Sony A7R IV is a highly versatile camera that packs a massive 61MP sensor into a subtly refined body, making it remarkably usable for everyday shooting beyond just detailed landscapes. Key pros include its exceptional cropping power—allowing photographers to crop down to an APS-C size and still maintain a high-resolution 26MP file—and an expansive 567-point autofocus system that delivers quick, accurate tracking for fast-moving subjects like birds. Users will also benefit from its improved, deeper handgrip which helps manage heavy telephoto lenses, a bright 5.76M dot OLED viewfinder, 15 stops of dynamic range, and dual UHS-II card slots. Conversely, the camera has notable cons, particularly regarding high-ISO noise performance, which becomes quite prevalent and harder to fix in post-processing at settings above ISO 6400. The buffer can occasionally bottleneck for a few seconds when processing the massive 61MP images, and the 16-shot high-resolution mode is heavily limited by a lack of in-camera image combination and motion-correction. Additionally, video creators might be disappointed by the lack of 10-bit internal recording, while everyday users will face...

The Sony A7R IV DXOMARK Sensor Review highlights a newly-developed 61.2MP full-frame BSI-CMOS sensor that achieves an impressive overall score of 99, placing it among the highest-performing sensors evaluated. Major sensor pros include an outstanding dynamic range measuring 14.8 EV at base ISO (ISO 100), exceptional color sensitivity peaking at 26 bits, and a highly competent low-light ISO score of 3344. Beyond pure sensor metrics, DXOMARK notes significant hardware pros such as an upgraded hybrid autofocus system featuring 567 phase-detection points, real-time eye tracking for humans and animals, 10 fps continuous shooting, a clearer 5.76 million-dot OLED viewfinder, dual UHS-II SD slots, and an ergonomic design with a deeper handgrip. Despite these advancements, the review details specific sensor cons primarily linked to the technical hurdles of smaller physical photosites caused by a 44% increase in pixel density. While it matches leading models, the heightened pixel density means it does not fundamentally beat the overall sensor scores of some lower-resolution competitors. For instance, the Nikon Z 7 achieves slightly superior maximum color discrimination at base ISO because of its lower base...