Sony Alpha 7 IV Full-Frame Mirrorless Camera

Sony Alpha 7 IV Full-Frame Mirrorless Camera (Body Only)

Brand: Sony
Model Number: ILCE7M4/B
Web Code: 15779886
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Camera Kit: Camera Body Only

Camera Body Only


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Get ready to be inspired with the true hybrid Sony Alpha 7 IV full-frame mirrorless camera. Equipped with a 33MP Exmor R back-illuminated CMOS sensor and BIONZ XR image processing, it delivers greater speed, accuracy, and tracking performance. It features the real-time Eye-AF for humans, animals, birds for photo and movie, 5-axis in-body image stabilization, and Active Mode for handheld movie.

Manufacturer's Warranty

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Return Policy

30 days to return or exchange

Condition: Unopened, Opened (a 15% restocking fee will be applied)

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What's included:

  • ILCE-7M4/B Camera Body
  • Rechargeable Battery NP-FZ100
  • USB Charger
  • Shoulder Strap
  • Body Cap
  • Multi Interface Shoe Cap
  • Eyepiece Cup
  • USB-A to USB-C Cable (USB 3.2)

Compact and powerful

  • Full-frame compact mirrorless interchangeable lens camera is ideal for both professional photographers and next-gen image creators
  • Compatible with lenses that fit the Sony E-Mount system (lenses sold separately)

True-to-life imagery

  • 33MP back-illuminated Exmor R CMOS sensor ensures professional-grade image quality
  • Enhanced BIONZ X image processing with front-end LSI and DRAM accurately reproduces textures, tone, and details
  • Captures 10-bit 4K video with full pixel readout and no pixel binning in Super 35 mode
  • Shoot with impressively low levels of noise throughout the standard range of ISO 100-51200 (expandable to ISO 50-204800 for stills and ISO 100-102400 for movies)
  • 15+-stop dynamic range captures a wide range of contrast between light and dark
  • Continuous burst shooting at up to 10fps at 33MP with AF/AE tracking ensures you never miss an important moment

Stunning captures with real-time AF tracking

  • 5-axis, in-body image stabilization with 5.5 step shutter speed advantage offer incredibly crisp, smooth images
  • Active Mode delivers highly effective in-camera optical image stabilization during hand-held movie shoots
  • Fast Hybrid AF system with 759-point phase-detection AF and 425 contrast AF points deliver fast and reliable autofocus capabilities for both stills and movies
  • Real-time tracking and real-time Eye-AF for humans, animals, and birds help you to focus in on any subject for both still shots and movies
  • Multi-selector direct AF point selection and AF-ON button give you control over your autofocus experience

Advanced movie features

  • Focus Map feature lets you easily visualize depth of field and which areas are in and out of focus when you're in movie mode
  • Focus breathing compensation automatically maintains a consistent angle of view for more movie-like focus transitions
  • AF Assist function lets you seamlessly switch to and from autofocus and manual focus during movie shoots

Display and editing features

  • 3-inch vari-angle 1.03-mega-dot side-opening LCD screen with touch control gives you plenty of flexibility for previews, selfies, and more
  • 3.68 mega-dot high-definition Quad-VGA OLED viewfinder enhances your view with a 37.3-degree field of view and a 23mm high eyepoint
  • S-log 2 / 3 workflow and instant HDR with Hybrid Log-Gamma (HLG) allow for seamless editing
  • All-Intra (XAVC S-I) recording helps capture complex motion more accurately and allows more efficient editing workflows
  • Cine colour gamut settings make it easy to match your footage with footage from other select Cinema Line cameras (sold separately)

Storage and data transfer

  • High-speed 2.4 and 5GHz Wi-Fi / FTP transfer and wireless PC remote give you plenty of options for sharing or transferring files wirelessly
  • In-body wireless LAN uses a 5GHz band in addition to the 2.4GHz band (IEEE 802.11 a/b/g/n/ac standards are supported), for fast data transfer
  • Super speed USB Type-C (USB 3.2 Gen 2) compatible and Micro USB ports enable simple connections to your computer or other device
  • Dual UHS-II SD media card slots allow you to add plenty of storage capacity (media cards sold separately)

Rugged and reliable

  • Lightweight, high-rigidity magnesium alloy body with dust and moisture resistance stands up to a wide range of conditions during outdoor shoots
  • Thermal mounting design provides heat to image sensor to move freely during image stabilization while heat is efficiently dissipated
  • Z-series rechargeable battery gives you long-lasting battery life while you're out on a shoot
  • Multi Interface Shoe with digital audio provides reliable, high-quality sound

See Details and Specs for more information

Product Condition
Brand New
Camera Model
Sony Alpha 7 IV Body
Camera Kit
Camera Body Only
Lens Mount
Sony E-Mount

Image Sensor

NFC Enabled
Sensor Type
Exmor R CMOS Image Sensor
Image Sensor Format
Full Frame
Sensor Crop Factor
Not applicable
Effective Megapixels
33.0 MP
Total Pixels
34.1 MP
Colour Filter System
R, G, B primary color
Colour Space
sRGB standard (with sYCC gamut), Adobe RGB standard and Rec. ITU-R BT.2100 standard (BT.2020 gamut). When [HLG Still Image] setting is set to [On].
Low Pass Filter
Dust Reduction
Yes (Charge protection coating on optical filter and image sensor shift mechanism)
BIONZ XR Imaging Processing Engine


Viewfinder Type
electronic viewfinder (Quad-VGA OLED) 3,686,400 dots
Percentage Coverage
Effective Magnification
Approx. 0.78x (with 50 mm lens at infinity, -1m-1)

Diopter Adjustment

Depth of Field Preview

LCD Features

LCD Size
3 in
LCD Resolution
1,036,800 dots
Swivel LCD
Live Preview

Auto Focus

AF Type
Fast Hybrid AF (phase-detection AF / contrast-detection AF)
Focusing Modes 1
AF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus
Focusing Modes 2
Focus Area: Wide / Zone / Center Fix / Spot / Expand Spot / Tracking
AF Points
35 mm full frame: 759 points (phase-detection AF), APS-C mode with FF lens: 713 points (phase-detection AF), with APS-C lens: 575 points (phase-detection AF) / 425 points (contrast-detection AF)
AF Point Selection
AF Assist Beam


Still images: ISO 100-51200 (ISO numbers from ISO 50 to ISO 204800 can be set as expanded ISO range.), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-51200 equivalent (ISO numbers up to ISO 102400 can be set as expanded ISO range.), AUTO (ISO 100-12800, selectable lower limit and upper limit)
White Balance Settings 1
Modes: Auto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Flash / Underwater / Color Temperature (2500 to 9900 K) & color filter / Custom
White Balance Settings 2
Shutter AWB Lock: Yes (Shut. Halfway Down / Cont. Shooting / Off)
Auto White Balance
White Balance Bracketing
Exposure Compensation
Exposure compensation: +/- 5.0 EV (1/3 EV, 1/2 EV steps selectable)


Shutter Type
Mechanical shutter / Electronic shutter; Electronically-controlled, vertical-traverse, focal-plane type
Shutter Speeds
Still images: 1/8000 to 30 s, Bulb, Movies: 1/8000 to 1/4 (1/3 steps), up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode)
Shutter Lag
10 s delay / 5 s delay / 2 s delay / Continuous self-time / Bracketing self-timer


Drive Modes
Single Shooting; Continuous shooting (Hi+/Hi/Mid/Lo selectable); Self-timer
Drive Modes 2
Bracket: Single; Bracket: Cont.; White Balance bracket; DRO bracket
Max Burst Jpeg
10 fps
Max Burst Raw
10 fps
Max Burst Raw+JPEG
10 fps
Max Burst Other Format
Not applicable


Built-in Flash Type
Recycling Time
Not applicable
Flash Metering System
Not applicable
Flash Sync
Yes , with Optional Multi Interface Shoe Complatible External Flash
Flash Guide Number
Not applicable


Video Output Format
Recording Format: XAVC S; XAVC HS. PAL/NTSC Selector.
Video Modes
4K UHD; 1080p
Movie File Formats
Movie Video Compression
Movie Audio Compression
LPCM 2 ch(48 kHz 16 bit), LPCM 2 ch(48 kHz 24 bit) (*2) , LPCM 4 ch(48 kHz 24 bit) (*2) , MPEG-4 AAC-LC 2 ch (*3) (*2 When using accessories that support 4ch output / 24 bits with the Multi Interface Shoe)(*3 Proxy movies)
Max Video Resolution
3840 x 2160 (4K UHD)


Image Playback Modes 1
Single (with or without shooting information Y RGB histogram & highlight / shadow warning); Index view; Enlarged display mode (L: 19.5x, M: 12.8x, S: 9.7x); Auto Review; Image orientation; Folder selection (Date / Still / Movie); Protect; Rating; Display as Group; Shot Mark (Movie); Divider Frame; Crop
Movie Playback Modes
Single (with or without shooting information Y RGB histogram & highlight / shadow warning); Index view; Enlarged display mode (L: 19.5x, M: 12.8x, S: 9.7x); Auto Review; Image orientation; Folder selection (Date / Still / Movie); Protect; Rating; Display as Group; Shot Mark (Movie); Divider Frame; Crop

Storage & Interface

Card Slot
Two (2)
Storage Media
SLOT 1: Multi slot for SD (UHS-I/II compliant) memory card / CFexpress Type A card, SLOT 2: Slot for SD (UHS-I/II compliant) memory card
Data Interface
Multi / Micro USB Terminal  that supports Micro USB compatible device. USB Type-C® Terminal (SuperSpeed USB 10 Gbps (USB 3.2) compatible)
Video Interface
HDMI connector (Type-A)
Other Formats
RAW (Compressed / Lossless Compressed / Uncompressed); JPEG (Extra fine / Fine / Standard / Light); HEIF (4:2:0 / 4:2:2) (Extra fine / Fine / Standard / Light)
Guided Shooting Mode
Languages Supported
English, French, Chinese, Japanese, Spanish
Compatible Operating Systems
Not applicable
Supplied Software
Not applicable

Body Features

Stabilized Body
In-body 5-axis image stabilization
Body Colour
Intelligent Shoe
Multi Interface Shoe (MIS) with Digital Audio Interface
Weather Sealed


Battery Type
Sony NP-FZ100 InfoLITHIUM Rechargeable Battery Pack
Included Battery Model
Sony NP-FZ100 InfoLITHIUM Rechargeable Battery Pack
Additional Compatible Batteries (not inc)
Not Applicable
Back-up Battery
Power Saving Modes

Physical Features

13.13 cm
9.64 cm
7.98 cm
573 g
If you find a lower price with another retailer before you buy (or within 30 days of purchase), we’ll gladly match that price. If our own price is reduced within 30 days of purchase, we’ll match it and refund you the difference. Conditions and exclusions apply.