Sony

Sony Alpha A7R IV Review

Reviews
3
Score
82/100
From
$2,798
Released
September 2019

We've aggregated 3 high-signal reviews and 1 live retailer price below.

Sony Alpha A7R IV
Available
Our take
Worth buying

Our editorial take on the Sony Alpha A7R IV

The Sony Alpha A7R IV remains a powerhouse in the high-resolution mirrorless category, delivering 61 megapixels of full-frame detail with an autofocus system that makes it surprisingly easy to nail focus despite the massive file sizes. Reviewers consistently praise its benchmark-setting resolution and the effectiveness of its 567-point phase-detection AF paired with real-time Eye AF and tracking. The robust magnesium alloy body with extensive weather sealing, dual UHS-II card slots, and 5.5-stop in-body stabilization make it a capable tool for serious landscape, studio, and commercial work.

However, the video specs reveal where Sony drew the line for this stills-focused body. Internal 4K is capped at 30p with 8-bit 4:2:0 recording and a 100 Mbps bitrate, lagging behind more video-oriented competitors at this price point. The 61MP sensor can feel like overkill for many enthusiasts, and the resulting file sizes demand robust storage and processing power. That resolution also means any camera shake or missed focus becomes more visible, though the excellent AF and IBIS help mitigate this.

For landscape, architectural, and studio photographers who need maximum detail and reliable autofocus, the A7R IV delivers. It set a high bar when it launched and remains a strong choice in the high-resolution full-frame segment, provided you prioritize stills over video and have the workflow to handle 61MP files.

Best for: Landscape, studio, and commercial photographers who need maximum resolution and reliable autofocus in a weather-sealed body.
What's great
  • Best-in-class 61MP resolution with excellent detail and dynamic range
  • Fast Hybrid AF with 567 phase-detection points makes focusing large files easy
  • 5.5-stop 5-axis IBIS helps stabilize high-resolution shots
  • Robust magnesium alloy build with extensive weather sealing
  • Dual UHS-II card slots and strong battery life (530 EVF shots)
Watch outs
  • Video limited to 8-bit 4:2:0 internal and 4K 30p max
  • 61MP resolution is overkill for many users and creates large file sizes
  • Expensive at $3,499 MSRP

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Overview

About this product

61MP full-frame.

Specs

Body
Battery
NP-FZ100, 2280 mAh, approximately 530 shots (EVF) or 660 shots (LCD)
Weight Grams
665 g (body with battery and card)
Dimensions Mm
128.9 x 96.4 x 77.5 mm
Build Material
Magnesium alloy
Weather Sealing
Yes, extensive dust and moisture sealing
Video
Bit Depth
8-bit 4:2:0 internal
Raw Video
External via HDMI (4:2:2 8-bit), No internal RAW
Log Profiles
S-Log2, S-Log3, HLG (Hybrid Log-Gamma)
Internal Codecs
XAVC S, AVCHD
Max Frame Rate 4k
4K 30p
Max Frame Rate Hd
1080p 120 fps
Max Video Bitrate
100 Mbps
Max Recording Time
Unlimited
Max Video Resolution
4K UHD (3840 x 2160)
Extras
Af Coverage
99.7% height, 74% width
Slow Motion
4x and 5x at 1080p 120 fps
Super 35 4k
Yes, oversampled from 6K
Ftp Transfer
Yes, background transfer supported
Dynamic Range
15 stops
Silent Shooting
Yes, electronic shutter
Bit Depth Stills
14-bit
Pc Sync Terminal
Yes
Grip Compatibility
VG-C4EM Vertical Grip
Pixel Shift Multi Shooting
Yes, 16 shots composited to 240.8 MP
Sensor
Sensor Size
Full-frame (35.7 x 23.8 mm)
Sensor Type
Back-Illuminated CMOS (BSI CMOS)
Image Processor
BIONZ X with front-end LSI
Low Pass Filter
No
Effective Megapixels
61 MP
Release
Release Date
September 2019
Announced Date
July 2019
Launch Price Usd
$3,499
Exposure
Dual Native Iso
No
Iso Range Video
100-32000 (manual mode), 100-12800 (auto mode)
Iso Range Stills
100-32000 (standard), 50-102400 (expanded)
Continuous Shooting
10 fps mechanical, 8 fps live-view mode
Shutter Speed Electronic
1/8000 to 30 s
Shutter Speed Mechanical
1/8000 to 30 s, Bulb
Display Vf
Viewfinder
5.76-million-dot OLED Tru-Finder EVF, 120/100 fps
Rear Screen
3.0" tilting touchscreen LCD, 2.36-million-dot, tilts up 107° and down 41°
Touchscreen
Yes
Lens Mount
Lens Mount
Sony E
Crop Factor
1.0x (APS-C mode: 1.5x)
Storage Io
Usb
USB 3.2 Gen 1 Type-C, Micro-USB
Hdmi
Micro-HDMI (Type D)
Audio Io
3.5mm stereo microphone input, 3.5mm stereo headphone output, Multi Interface Shoe with digital audio
Wireless
Wi-Fi 5 (802.11ac, 2.4 GHz and 5 GHz), Bluetooth 4.1
Card Slots
2x SD/SDHC/SDXC (UHS-II)
Stabilization Af
Ibis
5-axis, 5.5 stops
Af Points
567 phase-detection, 425 contrast-detection
Af System
Fast Hybrid AF (phase-detection and contrast-detection)
Af Low Light
-3 EV
Subject Detection
Real-time Eye AF (human and animal), Real-time Tracking
Live prices

Where to buy

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  • B&H Photo
    new● In stockBest price
    $2,798
    Buy