Sony Alpha 7 IV
| Brand | Sony 2021 |
| Model | ILCE7M4K/B |
| Released Year | 2021 |
| Type | Mirrorless Cameras |
| Series | a7 IV |
| Color | Black |
| Compatible Mountings | Sony E |
| Autofocus | Yes |
| Photo Sensor Resolution | 33 MP |
| Video Resolution | 4320p |
| Optical Zoom | 8 x |
| File Format | JPEG, Raw, HEIF |
| Status | Active |
Overview
The Sony Alpha 7 IV (model ILCE7M4K/B) is a professional-grade full-frame mirrorless camera featuring a 33MP back-illuminated Exmor R CMOS sensor. It is equipped with the latest BIONZ XR image processor, enabling high-speed processing and excellent noise reduction. The camera supports 4K video recording up to 60fps with 10-bit 4:2:2 color depth to meet demanding videography needs. It has a 5-axis in-body image stabilization system, providing a shake reduction equivalent to 5.5 stops for sharper handheld shots. Connectivity options include Wi-Fi and Bluetooth for seamless file transfer and remote control. The camera's advanced autofocus system features 759 phase-detection points and real-time tracking, enhancing subject acquisition accuracy and responsiveness.
Specifications
| Built-In Media | Camera Body & Lens |
| Are Batteries Included | Yes |
| Remote Included | No |
| UPC |
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| Item Height |
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| Manufacturer | Sony |
| Warranty Description | 1 year manufacturer |
| Metering Methods |
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| Exposure Control | Manual |
| White Balance Settings | Auto, Incandescent, Daylight, Color Temperature, Underwater, Fluorescent, Custom, Cloudy, Shade |
| Self Timer | 2 seconds, 10 seconds, 5 seconds |
| Crop Mode | Full-Frame |
| Connectivity Technology | USB, HDMI |
| Wireless Technology | Bluetooth, Wi-Fi |
| Video Output | HDMI |
| Total USB 2.0 Ports | 1 |
| Total USB Ports | 1 |
| Total Video Out Ports | 1 |
| Shooting Modes | Auto, Programmed, Aperture, Shutter speed, Manual, Movie |
| Digital Scene Transition | zoom |
| Digital-Still | Yes |
| Movie Mode | Yes |
| Image Capture Type | Stills & Video |
| Night vision | No |
| Compatible Mountings | Sony E |
| Sensor Type | CMOS |
| Image stabilization | Sensor-shift |
| Maximum Aperture | 3.5 f |
| Expanded ISO Minimum | 50 |
| Photo Sensor Resolution | 33 MP |
| Photo Sensor Size | Full Frame (35mm) |
| Maximum Shutter Speed | 1/8000 seconds |
| Minimum Shutter Speed | 1/8000 seconds |
| Form Factor | Mirrorless |
| Special Feature | BIONZ XR Processor; 759-Pt. Fast Hybrid AF, Real-time Eye AF; 5-Axis SteadyShot Image Stabilization |
| Color | Black |
| Item Weight | 955 Grams |
| Video Resolution | 4320p |
| Viewfinder | Electronic |
| Flash Modes | Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync |
| Camera Flash | Hotshoe |
| Skill Level | Professional |
| Specific Uses For Product | Videography, Photography |
| Compatible Devices | Sony E-mount wide-angle lenses |
| Continuous Shooting | 10 fps |
| Aperture modes | F3.5 |
| Viewfinder Magnification | 0.78x |
| Flash Sync Speed | 1/250 Second |
| Video Capture Format |
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| Expanded ISO Maximum | 204800 |
| Battery Weight | 3 Ounces |
| Audio Output Type | Headphones |
| Battery Cell Type | Lithium Ion |
| Battery Average Life | 110 Hours |
| Aspect Ratio | 16:9, 3:2, 4:3 |
| File Format | JPEG, Raw, HEIF |
| Effective Still Resolution | 33 |
| JPEG Quality Level | Fine |
| Supported Image Format | JPEG, RAW |
| Maximum Image Size | 33 MP |
| Bit Depth | 14 Bit |
| Total Still Resolution | 33 MP |
| Maximum Focal Length | 70 Millimeters |
| Optical Zoom | 8 x |
| Lens Type | Wide Angle |
| Camera Lens |
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| Minimum Focal Length | 28 Inches |
| Real Angle Of View | 75 Degrees |
| Focal Length Description | 28 to 70mm |
| Digital Zoom | 8 x |
| Number of Diaphragm Blades | 7 |
| Photo Filter Thread Size | 55 Millimeters |
| Lens Construction | 9 Elements in 8 Groups |
| Photo Filter Size | 55 Millimeters |
| Screen Size | 3 Inches |
| Display Type | LCD |
| Dots Per Screen | 1,036,800 Dot |
| Display Fixture Type | Tilting |
| Display Resolution Maximum | 3840 x 2160, 1920 x 1080, 1280 x 720 |
| Has Color Screen | Yes |
| Flash Memory Type | Slot 1: CFexpress Type A / SD (UHS-II)Slot 2: SD/SDHC/SDXC (UHS-II) |
| Memory Slots Available | 2 |
| Flash Memory Speed Class | U3 |
| Flash Memory UHS Speed Class | UHS-II |
| Auto Focus Technology | Phase Detection, Contrast Detection |
| Focus Features | Hybrid |
| Autofocus Points | 759 |
| Focus Type | manual-and-auto |
| Focus Mode |
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| Autofocus | Yes |
| Age Range Description | Adult |
| External-Memory Size | 128 GB |
| Series Number | 4 |
| Touch Screen Type | Capacitive |
| Write Speed | Up to 10FPS |
| Flash Memory Video Speed Class | V90 |
| Flash Memory Bus Interface Type | UHS-II |
| Audio Input | Microphone |
| Zoom | Optical Zoom |
| Total USB 3.0 Ports | 1 |
Images
FAQ
What sensor does the Sony Alpha 7 IV use?
It uses a 33-megapixel back-illuminated full-frame Exmor R CMOS sensor.
Does the Alpha 7 IV have in-body image stabilization?
Yes, it features a 5-axis in-body image stabilization system with up to 5.5 stops of shake reduction.
What video recording capabilities does this camera offer?
The camera supports 4K video recording at up to 60fps with 10-bit 4:2:2 color sampling.
Is the autofocus system on the Alpha 7 IV advanced?
Yes, it has a fast hybrid autofocus with 759 phase-detection points and real-time tracking autofocus.
Can I connect the Alpha 7 IV wirelessly to my smartphone?
Yes, it supports both Wi-Fi and Bluetooth connectivity for remote control and file transfer.
Is the Sony Alpha 7 IV still in production?
No, the camera is currently not discontinued and remains available on the market.
What accessories are compatible with the ILCE7M4K/B model?
Compatible accessories include Sony E-mount lenses, battery grips, external flashes, and various remote controls.
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