Sony Alpha 7 III Full-Frame Interchangeable Lens Camera & Lens Kit, 24.2MP, 10fps, 4K/30p, Black

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SONILCE7M3KB
$2,198.00
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Key Features
  • 24.2MP Full-Frame Sensor: Cleaner low-light photos with wide dynamic range.
  • 693-Point Fast Hybrid AF: Reliable subject detection and tracking across the frame.
  • 10 fps Continuous Shooting: Capture decisive moments with AF/AE tracking.
  • 5-Axis In-Body Stabilization: Sharper handheld stills and steadier video.
  • 4K HDR Video Recording: Full-width 4K for cinematic-looking footage.
  • Dual SD Slots & NP-FZ100 Battery: Extended shooting and secure backups.

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Sony Alpha 7 III Full-Frame Interchangeable Lens Camera & Lens Kit, 24.2MP, 10fps, 4K/30p, Black Overview

Description

The Sony ILCE-7M3K/B, commonly known as the Sony a7 III kit with FE 28-70 mm f/3.5-5.6 OSS, pairs a 24.2MP back-illuminated full-frame Exmor R CMOS sensor with Sony's Fast Hybrid AF system to deliver dependable stills and video performance for hybrid creators and professionals. This kit combines compact form-factor portability with enduring NP-FZ100 battery life, 5-axis in-body stabilization, dual SD slots, and a flexible 28–70mm starter zoom — making it ideal for weddings, travel, events, and cinematic content creation.

The kit variant (ILCE-7M3K/B) bundles the versatile FE 28–70 mm OSS lens with the proven a7 III body, offering 10 fps continuous shooting with AF/AE tracking and full-frame 4K HDR video. Robust build quality, wide AF coverage (693 phase-detect points), and extensive E-mount lens compatibility make this model a long-term, upgradeable choice for photographers and hybrid videographers looking for professional results without the weight or price of flagship bodies.

Problem

Photographers and hybrid creators often face low-light noise, missed AF for fast subjects, limited battery life for all-day shoots, and shaky handheld footage that reduces usable results. Many users need a single, affordable full-frame system that reliably addresses those challenges without requiring heavy, costly pro gear.

  • Low-light noise and limited dynamic range
  • Autofocus misses on fast-moving subjects
  • Handheld shake and shorter battery life on long shoots

Solution

The Sony ILCE-7M3K/B addresses the common pain points by combining a low-noise, back-illuminated full-frame sensor, wide AF coverage with Eye AF, and 5-axis in-body stabilization — producing usable images in dim conditions, confident subject tracking, and steady handheld results. With dual card slots and the NP-FZ100 battery, it supports long professional shoots and secure file handling.

Benefits

  • Low-Light Performance: 24.2MP Exmor R sensor reduces noise for cleaner night and indoor shots.
  • Reliable Autofocus: Extensive AF coverage and Eye AF lock on moving subjects quickly and accurately.
  • Hybrid Workflow: 4K HDR video plus stills-ready tools like silent shooting and long battery life.
  • System Flexibility: Sony E-mount compatibility opens hundreds of lenses for every use case.

Applications

  • Wedding and event photography — fast AF, Eye AF, and discreet shooting modes.
  • Hybrid content creation — 4K HDR video, S-Log profiles, and reliable autofocus for run-and-gun work.
  • Travel and documentary — compact full-frame performance with robust build and long battery life.

Why Choose

  • Balanced pro-level imaging and video tools at a mid-range price, backed by long-term E-mount ecosystem support.
Specifications
Model Name / NumberILCE-7M3K/B (Sony α7 III kit)
Release Year2018 (original a7 III launch)
Product Type (DSLR, Mirrorless, Compact, Cinema, etc.)Full-frame mirrorless interchangeable-lens camera
ColorBlack
Body MaterialMagnesium alloy chassis
Weather Sealing / Waterproof RatingDust and moisture resistant
Dimensions (Width × Height × Depth)126.9 mm × 95.6 mm × 73.7 mm
Weight (Body Only / With Battery)Body approx. 650 g (with battery)
Sensor Type (CMOS, CCD, BSI-CMOS, Stacked CMOS, etc.)35 mm full-frame Exmor R BSI-CMOS
Sensor Size (Full-frame, APS-C, Micro Four Thirds, 1 inch, etc.)35.6 × 23.8 mm, full-frame
Effective MegapixelsApprox. 24.2 megapixels
Image Processor (e.g., DIGIC X, BIONZ XR, EXPEED 7)BIONZ X image processing engine
ISO Range (Native & Expanded)Native up to ISO 51,200; expandable to ISO 50204,800
Bit Depth (RAW: 12-bit, 14-bit, etc.)14-bit RAW supported
Lens Mount TypeSony E-mount
Included Lens (if kit)FE 2870 mm f/3.55.6 OSS
Focal Length (Actual / 35mm Equivalent)2870 mm (35mm equivalent)
Minimum Focus Distance0.30.45 m (kit lens)
Image Stabilization (Optical / Sensor-shift / Hybrid)5-axis in-body image stabilization (SteadyShot INSIDE)
Autofocus System (Phase Detection, Contrast Detection, Hybrid)Fast Hybrid AF, 693 phase-detection + 425 contrast-detection points
Number of AF Points693 phase-detection points
Viewfinder Type (Optical, Electronic, Hybrid)OLED Electronic Viewfinder (EVF)
LCD Screen Size3.0 inch tilting LCD touchscreen
Maximum Image Resolution6000 × 4000 (approx.)
Supported Image Formats (JPEG, RAW, HEIF)JPEG, 14-bit RAW
Aspect Ratios3:2, 16:9, 1:1
Continuous Shooting Speed (FPS)Up to 10 fps with AF/AE tracking
Maximum Video Resolution & Frame Rate (e.g., 8K 30fps, 4K 120fps)4K (up to 30p) with HDR support, oversampled from full-frame width
Log Profiles (C-Log, S-Log, V-Log, etc.)S-Log2 / S-Log3, HLG
External Recording Support (Yes/No, HDMI Specs)External recording via HDMI supported
Memory Card Type (SD, CFexpress, XQD)SD / SDHC / SDXC (UHS-I/II compatible)
Number of Card Slots2 (dual SD card slots)
USB Type (2.0, 3.0, USB-C)USB Type-C
Wi-FiWi-Fi, NFC, Bluetooth
Battery Type / ModelNP-FZ100
Charging Method (In-camera USB Charging, External Charger)In-camera charging via USB-C and external charger support
Built-in Flash (Guide Number)N/A (hot shoe available)
Hot Shoe / Accessory ShoeMulti-interface shoe (hot shoe)
Face / Eye DetectionHuman Eye AF, Animal Eye AF (firmware dependent)
Subject TrackingPeople, animals, vehicles supported via subject detection
BrandSony Accelerator+1
Manufacturer SKUILCE7M3K/B
UPC27242910775
What’s included
  • 1- Alpha 7 III Full-Frame Interchangeable Lens Camera & Lens Kit-Black
  • 1- AC Adaptor AC-UUD12
  • 1- Accessory Shoe Cap
  • 1- Body Cap
  • 1- Eyepiece Cup
  • 1- Lens Cap
  • 1- Lens Hood
  • 1- Lens Rear Cap
  • 1- Micro USB Cable
  • 1- Rechargeable Battery NP-FZ100
  • 1- SEL2870 Lens
  • 1- Shoulder Strap
Compatibility
FREEFLY Ember S5K Sony BURANO Sony ILX-LR1 Sony NEX-VG30 Sony PXW-FS7M2
Kinefinity MAVO LF MKII Sony BURANO CineAlta Digital Cinema Camera Sony NEX-EA50M Sony NEX-VG900 Sony PXW-FX9
Kinefinity MAVO S35 MKII Sony FX3 Sony NEX-EA50UH Sony PXW-FS5 Sony VENICE 6K Digital Motion Picture Camera
Sony FX30 Sony FX6 Sony NEX-FS700R Sony PXW-FS5M2 Sony NEX-FS700U
Sony PXW-FS7
FAQ

Is the Sony a7 III kit (ILCE-7M3K/B) good for weddings?

Yes, its 693-point AF system, Eye AF, 10 fps burst, and excellent low-light performance make it well suited for wedding photography and fast-paced event work.

Does the kit lens (2870mm) have image stabilization?

The FE 2870 mm f/3.55.6 OSS included in the kit provides optical stabilization, and the camera also has 5-axis in-body stabilization for combined steadiness.

Can the a7 III record professional 4K video?

Yes, the a7 III records 4K HDR (oversampled from the full-frame sensor) and supports S-Log profiles for advanced color grading workflows.

How long does the NP-FZ100 battery last?

The NP-FZ100 delivers class-leading runtime for mirrorless cameras; real-world results vary, but it supports long shoots and is a reliable choice for day-long assignments.

Does the camera have dual card slots?

Yes, the a7 III includes two SD card slots for overflow recording, backup, or separate photo/video allocation.

Is Eye AF available for animals?

Animal Eye AF is supported via firmware features, allowing improved subject detection for pets and wildlife, depending on firmware/version.

Will full-frame E-mount lenses work without adapters?

Yes, Sony E-mount full-frame lenses are natively compatible; third-party E-mount lenses from Tamron, Sigma, and Zeiss are also commonly used.

Can the a7 III be used for run-and-gun video shoots?

Absolutely its compact body, IBIS, reliable AF, and 4K capabilities make it an excellent option for solo operators and content creators.

Does the camera support in-camera charging and USB power delivery?

The a7 III supports USB-C connectivity and in-camera charging options depending on the power source; check specific charger compatibility for fast charging.

What are the key differences vs newer models like the a7 IV?

The a7 IV adds higher resolution sensors and updated codecs; the a7 III remains a value-focused workhorse offering excellent battery life, proven AF performance, and strong price-to-performance for hybrid users.

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