Achieve the perfect balance of resolution and speed with the Sony Alpha a7R IIIA mirrorless camera. This versatile full-frame powerhouse boasts a high-resolution 42.4MP sensor for stunning detail, impressive 10fps continuous shooting for capturing fleeting moments, and advanced autofocus for reliable subject tracking, making it a compelling choice for professional and aspiring photographers alike.
Key Features
Model No: ILCE7RM3A/B
- BIONZ X Image Processor & Front-End LSI
- 42MP Full-Frame Exmor R BSI CMOS Sensor
- 3.69m-Dot Tru-Finder OLED EVF
- 399-Point AF System & 10 fps Shooting
- UHD 4K30p Video with HLG & S-Log3 Gammas
- ISO 102400 & Pixel Shift Multi Shooting
- 3.0in 2.36m-Dot Tilting Touchscreen LCD
- 5-Axis SteadyShot INSIDE Stabilization
- USB 3.2 Gen 1 Type-C Port & PC Sync Port
- Built-In Wi-Fi/Bluetooth, Dual SD Slots
- REVIEW
- SPECS
Sony Alpha a7R IIIa: A High-Resolution All-Rounder for Discerning Photographers
The Sony Alpha a7R IIIa is a full-frame mirrorless camera designed for photo enthusiasts and professional photographers who seek a balance of high-resolution image quality, good performance, and well-rounded features. It builds upon the capabilities of the popular Sony Alpha a7R III with some improvements for a more compelling overall package.
Exceptional Image Quality with High Resolution
The a7R IIIa features a 42.4-megapixel full-frame CMOS sensor designed to deliver sharp and detailed images. This resolution is ideal for capturing landscapes, portraits, and architectural photography where intricate details matter.
Fast Performance and Reliable Autofocus
The a7R IIIa offers fast continuous shooting speeds of up to 10 frames per second with mechanical shutter and silent shooting options. The camera’s BIONZ X image processor contributes to fast image processing and ensures quick responsiveness. Additionally, the 399-point phase-detection autofocus system with 425 contrast-detection points delivers accurate subject tracking and sharp focus, even in moderately low-light conditions.
Improved Battery Life
The a7R IIIa boasts an improved battery life compared to its predecessor, the a7R III. This allows for extended shooting sessions without needing frequent recharges, especially beneficial for travel or event photography.
High-Quality 4K Video Recording
While photography is its strength, the a7R IIIa also offers 4K UHD video recording at up to 30 frames per second. This allows for capturing high-quality video footage for projects or social media sharing.
Compact and Durable Design
The a7R IIIa maintains a relatively compact and lightweight design for a full-frame camera. It is built with a magnesium alloy body that is weather-sealed for protection against dust and moisture, making it a reliable companion for photographers working outdoors or in challenging environments.
Upgraded Tilting Touchscreen LCD
The a7R IIIa features a high-resolution tilt touchscreen LCD monitor for comfortable framing and playback from different angles. This touchscreen functionality can be advantageous for navigating menus and selecting focus points.
In Conclusion
The Sony Alpha a7R IIIa is a versatile mirrorless camera that offers high-resolution image quality, good performance, and a well-rounded feature set. With its improved battery life, high-resolution sensor, and fast autofocus system, the a7R IIIa is a compelling choice for photo enthusiasts and professional photographers who value excellent image quality and a balance of photo and video capabilities. It is important to note that the a7R IIIa might not be the most suitable option for those seeking the absolute latest and most cutting-edge features in a camera, but it remains a solid and reliable choice for its target audience.
Specifications
| Lens Mount | Sony E |
| Sensor Type | 35.9 x 24 mm (Full-Frame) CMOS |
| Sensor Resolution | Actual: 43.6 Megapixel Effective: 42.4 Megapixel (7952 x 5304) |
| Crop Factor | NaN |
| Aspect Ratio | 3:2, 16:9 |
| Image File Format | JPEG, Raw |
| Bit Depth | 14-Bit |
| Image Stabilization | Sensor-Shift, 5-Axis |
| ISO Sensitivity | Auto, 100 to 32000 (Extended: 50 to 102400) |
| Shutter Speed | 1/8000 to 30 Seconds 1/8000 to 1/4 Second in Movie Mode Bulb Mode |
| Metering Method | Center-Weighted Average, Highlight Weighted, Multi-Zone, Spot |
| Exposure Modes | Aperture Priority, Auto, Manual, Program, Shutter Priority |
| Exposure Compensation | -5 to +5 EV (1/3, 1/2 EV Steps) |
| Metering Range | -3 to 20 EV |
| White Balance | Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
| Continuous Shooting | Up to 10 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 8 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 6 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 3 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) |
| Self-Timer | 2/5/10-Second Delay |
| Recording Modes | XAVC S UHD 4K (3840 x 2160) at 23.976p/25p/29.97p [60 to 100 Mb/s] Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [100 Mb/s] HD (1280 x 720) at 100p/119.88p [50 Mb/s] AVCHD Full HD (1920 x 1080) at 50p/59.94p [28 Mb/s] Full HD (1920 x 1080) at 23.976p/25p/50i/59.94i [17 to 24 Mb/s] MP4 Full HD (1920 x 1080) at 50p/59.94p [28 Mb/s] Full HD (1920 x 1080) at 25p/29.97p [16 Mb/s] HD (1280 x 720) at 25p/29.97p [6 Mb/s] |
| External Recording Modes | 4:2:2 8-Bit UHD 4K (3840 x 2160) at 24.00p/25p/29.97p Full HD (1920 x 1080) at 24.00p/50i/50p/59.94i/59.94p |
| Recording Limit | Up to 29 Minutes |
| Video Encoding | NTSC/PAL |
| Audio Recording | Built-In Microphone (Stereo) External Microphone Input |
| Audio File Format | AC3, Dolby Digital 2ch, Linear PCM (Stereo) |
| Focus Type | Auto and Manual Focus |
| Focus Mode | Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S) |
| Autofocus Points | Phase Detection: 399 Contrast Detection: 425 |
| Autofocus Sensitivity | -2 to +20 EV |
| ISO Sensitivity | Auto, 100 to 32000 (Extended: 50 to 102400) |
| Shutter Speed | 1/8000 to 30 Seconds 1/8000 to 1/4 Second in Movie Mode Bulb Mode |
| Metering Method | Center-Weighted Average, Highlight Weighted, Multi-Zone, Spot |
| Exposure Modes | Aperture Priority, Auto, Manual, Program, Shutter Priority |
| Exposure Compensation | -5 to +5 EV (1/3, 1/2 EV Steps) |
| Metering Range | -3 to 20 EV |
| White Balance | Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
| Continuous Shooting | Up to 10 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 8 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 6 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) Up to 3 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG) |
| Self-Timer | 2/5/10-Second Delay |
| Viewfinder Type | Electronic |
| Viewfinder Size | 0.5″ |
| Viewfinder Resolution | 3,686,400 Dot |
| Viewfinder Eye Point | 23 mm |
| Viewfinder Coverage | 1 |
| Viewfinder Magnification | Approx. 0.78x |
| Diopter Adjustment | -4 to +3 |
| Size | 3.0″ |
| Resolution | 2,359,296 Dot |
| Display Type | Tilting Touchscreen LCD |
| Built-In Flash | No |
| Flash Modes | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless |
| Maximum Sync Speed | 1/250 Second |
| Flash Compensation | -3 to +3 EV (1/3, 1/2 EV Steps) |
| Dedicated Flash System | TTL |
| External Flash Connection | Hot Shoe, PC Terminal |
| Media/Memory Card Slot | Slot 1: SD/SDHC/SDXC (UHS-II) Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I) |
| Connectivity | 3.5mm Headphone, 3.5mm Microphone, HDMI D (Micro), USB Type-C (USB 3.0), USB Micro-B (USB 2.0) |
| Wireless | Wi-Fi Bluetooth |
| GPS | No |
| Operating Temperature | 32 to 104 F / 0 to 40 C |
| Battery | 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 530 Shots) |
| Dimensions (W x H x D) | 5 x 3.76 x 2.9″ / 126.9 x 95.6 x 73.7 mm |
| Weight | 1.45 lb / 657 g |
| Package Weight | 3 lb |
| Box Dimensions (LxWxH) | 9.7 x 6.1 x 5.7″ |