Sony A7R Mark IVa Body Only (ILCE-7RM4A)
Category: Mirrorless Camera
Sony A7R Mark IVa Body Only (ILCE-7RM4A) – Overview
The Sony A7R Mark IVa Body Only (ILCE-7RM4A) is a high-resolution full-frame mirrorless camera built for photographers who demand exceptional detail and flexibility. With its 61-megapixel sensor, advanced autofocus system, 5-axis stabilization, and refined electronic viewfinder, it is well suited to landscapes, portraits, studio photography, commercial work, wildlife, and other applications where image detail matters.
61-Megapixel Full-Frame Sensor
At the heart of the camera is a 61-megapixel full-frame Exmor R CMOS sensor. It captures highly detailed images with excellent tonal information and a wide dynamic range. The high pixel count also provides substantial cropping flexibility, allowing photographers to reframe images while retaining considerable detail.
Advanced Autofocus Performance
The A7R IVa uses a sophisticated hybrid autofocus system with extensive phase-detection coverage. Real-time Tracking helps maintain focus on moving subjects, while Eye AF provides precise subject recognition for portraits and other demanding scenes. This combination supports accurate focusing even when subjects move unpredictably.
5-Axis Image Stabilization
The integrated 5-axis optical image stabilization system helps reduce the effects of camera shake during handheld shooting. This can be particularly valuable when working with high-resolution images, where even small amounts of movement can become more noticeable. The system also provides additional support for handheld video recording.
High-Resolution Electronic Viewfinder
The A7R IVa features an upgraded electronic viewfinder with a high-resolution display for detailed scene preview and accurate composition. Its tilting LCD monitor provides additional flexibility when photographing from different angles, while the camera's customizable controls allow frequently used functions to be accessed quickly.
Video and Connectivity
The camera supports 4K video recording and offers a range of settings for creative video production. Built-in Wi-Fi and Bluetooth connectivity make wireless image transfer and communication with compatible devices more convenient. Its durable construction is suited to photographers who regularly work in demanding environments.
Conclusion
The Sony A7R Mark IVa Body Only (ILCE-7RM4A) combines exceptional 61-megapixel resolution with dependable autofocus, effective stabilization, and professional-level handling. It is an excellent choice for photographers who place a strong emphasis on fine detail, cropping flexibility, and high-quality full-frame imaging.
Sony A7R IV Specs
Imaging
| Lens Mount | Sony E |
| Sensor Resolution | Actual: 62.5 Megapixel Effective: 61 Megapixel (9504 x 6336) |
| Sensor Type | 35.7 x 23.8 mm (Full-Frame) CMOS |
| Image Stabilization | Sensor-Shift, 5-Axis |
| Built-In ND Filter | None |
| Capture Type | Stills & Video |
Exposure Control
| Shutter Type | Electronic Shutter |
| Shutter Speed | Mechanical Shutter 1/8000 to 30 Seconds 1/8000 to 1/4 Second in Movie Mode |
| Bulb/Time Mode | Bulb Mode |
| ISO Sensitivity | Photo 100 to 32,000 in Auto Mode (Extended: 50 to 102,400) Video 100 to 12,800 in Auto Mode 100 to 32,000 in Manual Mode |
| Metering Method | Center-Weighted Average, Highlight Weighted, Multiple, Spot |
| Exposure Modes | Aperture Priority, Manual, Program, Shutter Priority |
| Exposure Compensation | -5 to +5 EV (1/3, 1/2 EV Steps) |
| Metering Range | -3 to 20 EV |
| White Balance | Presets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater |
| Continuous Shooting | Up to 10 fps at 61 MP for up to 68 Frames (JPEG) |
| Interval Recording | Yes |
| Self-Timer | 2/5/10-Second Delay |
Still Image Capture
| Image Sizes | 3:2 Raw 9504 x 6336 4:3 Raw 8448 x 6336 16:9 Raw 9504 x 5344 1:1 Raw 6336 x 6336 3:2 JPEG 9504 x 6336 6240 x 4160 4752 x 3168 4:3 JPEG 8448 x 6336 5552 x 4160 4224 x 3168 16:9 JPEG 9504 x 5344 6240 x 3512 4752 x 2672 1:1 JPEG 6336 x 6336 4160 x 4160 3168 x 3168 |
| Aspect Ratio | 1:1, 3:2, 4:3, 16:9 |
| Image File Format | JPEG, Raw |
| Bit Depth | 14-Bit |
| Internal Recording Modes | XAVC S UHD 4K (3840 x 2160) at 23.98/25/29.97 fps [60 to 100 Mb/s] 1920 x 1080p at 23.98/24.00/25/29.97/50/59.94/100/119.88 fps [16 to 100 Mb/s] AVCHD 1920 x 1080i at 50/59.94 fps [17 to 24 Mb/s] |
| External Recording Modes | 4:2:2 8-Bit via HDMI UHD 4K (3840 x 2160) at 23.98/24.00/25/29.97 fps 1920 x 1080p at 23.98/24.00/50/59.94 fps 1920 x 1080i at 50/59.94 fps |
| Broadcast Output | NTSC/PAL |
| IP Streaming | None |
| Built-In Microphone Type | Stereo |
| Audio Recording | AVCHD: 2-Channel AC-3 Audio XAVC S: 2-Channel LPCM Audio |
Interface
| Media/Memory Card Slot | Dual Slot: SD/SDHC/SDXC (UHS-II) |
| Video I/O | 1 x Micro-HDMI Output |
| Audio I/O | 1 x 1/8" / 3.5 mm TRS Stereo Headphone Output 1 x 1/8" / 3.5 mm TRS Stereo Microphone Input |
| Power I/O | 1 x USB-C Input/Output |
| Other I/O | 1 x Sony Multi/Micro-USB Input/Output (Shared with Remote Input) 1 x USB-C (USB 3.2 / 3.1 Gen 1) Input/Output (Shared with Power Input) 1 x PC Sync Socket Output |
| Wireless | Wi-Fi, Bluetooth |
| Global Positioning (GPS, GLONASS, etc.) | None |
Monitor
| Size | 3.0" |
| Resolution | 2,359,296 Dot |
| Display Type | Tilting Touchscreen LCD |
Viewfinder
| Type | Built-In Electronic (OLED) |
| Size | 0.5" |
| Resolution | 5,760,000 Dot |
| Eye Point | 23 mm |
| Coverage | 100% |
| Magnification | Approx. 0.78x |
| Diopter Adjustment | -4 to +3 |
Focus
| Focus Type | Auto and Manual Focus |
| Focus Mode | Automatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF |
| Autofocus Points | Phase Detection: 567 Contrast Detection: 425 |
| Autofocus Sensitivity | -3 to +20 EV |
Flash
| 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 | S-TTL |
| External Flash Connection | Intelligent Hot Shoe, PC Terminal |
Environmental
| Operating Temperature | 32 to 104°F / 0 to 40°C |
General
| Battery Type | 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 530 Shots) |
| Tripod Mounting Thread | 1 x 1/4"-20 Female (Bottom) |
| Accessory Mount | 1 x Hot Shoe Mount |
| Material of Construction | Magnesium Alloy |
| Dimensions (W x H x D) | 5.07 x 3.8 x 3.05" / 128.9 x 96.4 x 77.5 mm |
| Weight | 1.46 lb / 665 g |
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