The Sony Alpha a7 III Mirrorless Digital Camera with 28–70mm Lens delivers a strong balance of resolution, speed, and low-light performance. It features a 24.2MP back-illuminated Exmor R CMOS sensor and Sony BIONZ X image processor, offering a wide dynamic range, fast readout, and dependable detail across a variety of lighting conditions. The bundled FE 28–70mm f/3.5–5.6 OSS lens covers wide to short telephoto ranges, with built-in Optical SteadyShot for stabilized handheld shooting and smooth autofocus for video.
Sony Alpha a7 III Mirrorless Digital Camera with 28–70mm Lens
Key Features of the Alpha a7 III
The a7 III includes 693 phase-detection points and 425 contrast-detection areas, covering over 90% of the frame. This makes subject tracking responsive and reliable, even in challenging lighting. Continuous shooting at 10 frames per second with full autofocus and exposure tracking ensures consistent capture of fast-moving subjects.
Video features include UHD 4K recording with full pixel readout and no pixel binning. The sensor uses 6K oversampling for sharp detail and accurate color. Internal 5-axis image stabilization reduces blur caused by handheld motion, while advanced noise control maintains clean results across a wide ISO range.
- 24.2MP back-illuminated full-frame CMOS sensor
- ISO range of 100–51200 (expandable to 50–204800)
- UHD 4K recording with 6K oversampling at 24p
- 10 fps burst mode with AF/AE tracking
- Dual SD card slots (Slot 1: UHS-II)
- 5-axis SteadyShot stabilization
- USB 3.1 Gen 1 Type-C and HDMI micro outputs
- NP-FZ100 battery supports up to 710 shots per charge
- Magnesium alloy body with dust and moisture resistance
Compatible Accessories and System Support
The a7 III supports a wide range of add-ons through its multi-interface shoe, USB Type-C port, and HDMI output. Additional equipment, such as flashes, microphones, and monitors, is available through our collection of Sony accessories. The camera is fully compatible with Sony E-mount lenses, including the FE-series designed specifically for full-frame sensors.
Dual SD card slots provide flexibility for backup, overflow, or separating stills from video. The menu system offers custom presets, function menus, and recallable settings, making it easy to set up for multiple styles of shooting.
Who Uses the a7 III?
This model serves a wide range of creative applications. Its autofocus system and battery life support wedding and event photography, while its low-light capabilities make it a solid option for street, documentary, and indoor work. Videographers benefit from clean HDMI output, headphone and mic inputs, and Hybrid Log-Gamma (HLG) support for HDR workflows. For additional options across Sony’s lineup, you can browse our full collection of Sony cameras.
FAQs
Does the a7 III have dual card slots?
Yes. It has two SD card slots. Slot 1 supports UHS-II for high-speed writing, and Slot 2 supports UHS-I.
What kind of lens mount does this use?
The a7 III uses the Sony E-mount. It supports both APS-C and full-frame (FE) lenses, though it is designed for full-frame use.
Can the camera record 4K video internally?
Yes. It records UHD 4K video at 24p using full sensor width with 6K oversampling and no pixel binning. It also supports 30p recording with a 1.2x crop.
Is the a7 III weather-sealed?
The body is made from magnesium alloy and sealed against dust and moisture. It is not rated for full submersion or extreme weather but provides reliable resistance in typical field conditions.
What kind of battery does it use?
The a7 III uses the Sony NP-FZ100, which offers extended battery life compared to earlier a7-series models.
Shop the Sony Alpha a7 III at Samy’s Camera
The Sony Alpha a7 III Mirrorless Digital Camera with 28–70mm Lens combines versatility, control, and image quality in a durable, compact system. Samy’s Camera provides fast shipping, expert support, and a full lineup of Sony gear to help you get the most from your equipment.
