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

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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 / Number | ILCE-7M3K/B (Sony α7 III kit) |
| Release Year | 2018 (original a7 III launch) |
| Product Type (DSLR, Mirrorless, Compact, Cinema, etc.) | Full-frame mirrorless interchangeable-lens camera |
| Color | Black |
| Body Material | Magnesium alloy chassis |
| Weather Sealing / Waterproof Rating | Dust 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 Megapixels | Approx. 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 Type | Sony 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 Distance | 0.30.45 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 Points | 693 phase-detection points |
| Viewfinder Type (Optical, Electronic, Hybrid) | OLED Electronic Viewfinder (EVF) |
| LCD Screen Size | 3.0 inch tilting LCD touchscreen |
| Maximum Image Resolution | 6000 × 4000 (approx.) |
| Supported Image Formats (JPEG, RAW, HEIF) | JPEG, 14-bit RAW |
| Aspect Ratios | 3:2, 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 Slots | 2 (dual SD card slots) |
| USB Type (2.0, 3.0, USB-C) | USB Type-C |
| Wi-Fi | Wi-Fi, NFC, Bluetooth |
| Battery Type / Model | NP-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 Shoe | Multi-interface shoe (hot shoe) |
| Face / Eye Detection | Human Eye AF, Animal Eye AF (firmware dependent) |
| Subject Tracking | People, animals, vehicles supported via subject detection |
| Brand | Sony Accelerator+1 |
| Manufacturer SKU | ILCE7M3K/B |
| UPC | 27242910775 |
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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