Sony A7R IV

The Sony A7R IV is a 61-megapixel full-frame mirrorless camera with a 35.7 x 23.8 mm back-illuminated CMOS sensor, 567 phase-detect AF points, 5-axis in-body image stabilisation, 4K UHD video, a 5,760,000-dot EVF with 0.78x magnification, weather sealing, and dual UHS-II card slots — all in a body weighing 665 g.

Key Specifications

• Sensor: 61 MP full-frame (35.7 x 23.8 mm) back-illuminated CMOS, 9504 x 6336 px
• Processor: BIONZ X
• Autofocus: 567 phase-detect points covering a wide area of the frame
• Image stabilisation: 5-axis in-body (IBIS)
• ISO range: 100–32,000 (extended 50–102,400)
• Continuous shooting: up to 7.2 fps at full 61 MP resolution
• Video: 4K UHD (3840 x 2160) up to 30p; 1080p up to 120 fps
• Viewfinder: 5,760,000-dot electronic viewfinder, 100% coverage, 0.78x magnification
• Battery: NP-FZ100, rated ~670 shots per charge; USB-C charging supported
• Build: Weather-sealed magnesium alloy body, dual SD slots (UHS-II), 3-inch 1,440,000-dot tilting touchscreen

What makes the Sony A7R IV special?

Sixty-one megapixels on a 35 mm full-frame sensor is a genuinely big deal. The Sony Alpha A7R IV delivers a pixel pitch of just 3.76 μm, yet Sony's back-illuminated sensor architecture keeps noise remarkably well controlled — the DXO low-light score of 3344 ISO and a dynamic range of 14.8 stops show that resolution and image quality are not traded against each other here. A DXO overall score of 99 and a colour depth of 26.0 bits sit comfortably in medium-format territory.

Compare that to the Sony A7 IV, which offers a 33 MP sensor and a more video-focused feature set including 4K 60p. The A7 IV is the better all-rounder if you shoot a lot of hybrid content. The A7R IV answers a different brief: maximum still-image resolution, with video as a capable secondary function. Step further up the resolution ladder and you reach the Sony A7R V, which adds a newer AI-based autofocus system and higher video specs — but at a considerably higher price, making a used A7R IV an extremely compelling second-hand proposition for resolution-hungry photographers.

The 567-point phase-detect autofocus system with real-time eye-tracking (for humans and animals) was a significant leap when it arrived and still holds up very well in practice. The shutter is rated to an impressive 500,000 actuations — one of the highest ratings in its class — which means a pre-owned A7R IV with moderate shutter count still has a very long life ahead of it.

For glass, the A7R IV's resolving power rewards the sharpest Sony FE lenses. The Sony FE 24-70mm f/2.8 GM II is a natural partner, as is the Sony FE 35mm f/1.4 G Master for portraiture. If budget is a consideration, the Sigma 20mm f/2 DG DN Contemporary is a remarkably sharp wide-angle option that fully exploits the 61 MP sensor.

Who is the Sony A7R IV for?

The A7R IV is built for photographers who want the absolute most detail in every frame. That makes it a natural choice in several specific disciplines:

• Landscape and architecture: 61 MP means extraordinary cropping freedom and the ability to print at massive sizes without loss of fine detail. The 14.8-stop dynamic range gives you the latitude to recover shadows and tame highlights in challenging light.
• Studio and commercial portrait: Combined with a fast prime, the A7R IV captures skin texture, fabric detail and catchlights with a level of precision that requires medium-format cameras to beat. Real-time eye-AF makes the technical side of portraiture almost effortless.
• Wildlife and nature (with the right glass): The 61 MP sensor enables aggressive in-camera or post-processing crops, effectively turning a 400 mm lens into a 600 mm equivalent without a dedicated crop mode. Pair it with the Sony FE 100-400mm f/4.5-5.6 GM OSS and you have a serious wildlife setup.
• Travel photography: Weather sealing, IBIS, compact dimensions (129 x 96 x 78 mm) and 670-shot battery life make this a practical companion on extended trips where a second battery is not always convenient.

The A7R IV is not the first choice for high-speed sports or action. At 7.2 fps it keeps up with most situations, but cameras like the Sony A9 II are purpose-built for that task. Large RAW files also fill cards and hard drives quickly, so factor in storage costs when planning a workflow around 61 MP.

Buying a used Sony A7R IV

Buying a second-hand A7R IV is a smart move for photographers who want flagship resolution without the flagship price tag. Here is what to look at before — or shortly after — you receive the camera.

• Shutter count: The mechanical shutter is rated to 500,000 actuations — among the highest in this class. A used body with 50,000–100,000 shots is barely broken in. Ask the seller for the shutter count, or check it via a free EXIF tool on a sample RAW file.
• Sensor cleanliness: At 61 MP, even small dust spots become visible at smaller apertures. Shoot a test frame at f/11 or f/16 against a white wall or clear sky to check for hot pixels or dust. The camera has an integrated sensor-cleaning system, but stubborn spots may need professional cleaning.
• Card slot condition: Dual UHS-II slots are a big practical plus — inspect the pins in both slots for bending or corrosion.
• Weather sealing integrity: Look for any cracks or damage around the port covers and lens mount seal, which are critical to maintaining the weather resistance.
• Battery health: The NP-FZ100 battery is widely available and not expensive, but confirm whether a genuine Sony battery is included or a third-party substitute.

Every used Sony A7R IV sold through Camera-tweedehands.nl is professionally inspected, individually photographed, and comes with a minimum 12 months warranty. Returns are accepted within 14 days, giving you time to run your own real-world tests.