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A Guide to the Sony A7 Series
Kamera Express
Sony A7 series
The Sony A7 series includes the Sony A7, Sony A7 Mark II, Sony A7 Mark III and Sony A7 Mark IV. These all-round mirrorless cameras are ideal for leisure photographers and professionals alike. The A7 series is known for delivering high-quality photos and is continuously improved with new features to make photography even easier, more enjoyable and of higher quality.
The cameras are known as compact full frame mirrorless cameras with an ideal balance between resolution, ISO performance and autofocus speed. The first three models in the A7 series have a 24.3-megapixel sensor, while the A7 Mark IV delivers stunning image quality with as many as 33 megapixels. The Sony A7 Mark IV features unique additional functions and the latest technology for real-time tracking and eye autofocus.
Specifications
- 33 megapixels
- Image processor: BIONZ XR
- Electronic viewfinder
- Full frame CMOS sensor (35mm)
- 4K UHD video
- Silent Shutter
- ISO sensitivity: 100–51200
- 5-axis integrated stabilisation system
- Real-time tracking and AF Assist
Compare the Sony A7 mark III and A7 mark IV
Of course, there are differences between the four models in the A7 series. After all, Sony is always working to improve its equipment. The A7 IV has new functions, improved specifications and stunning image quality. Compared to its predecessors, the A7 IV also has more megapixels, namely 33 MP. The number of focus points has also increased, from 693 on the A7 III to no fewer than 759 on the A7 IV. To prevent blurry photos, the 5-axis image stabiliser of the A7 series can be found in the Mark II, Mark III and Mark IV. In addition to stable images, it is of course important to focus in the right place. The A7 IV offers unprecedented autofocus performance thanks to the latest technology for real-time tracking and eye autofocus.
View the other differences between the last three versions in the A7 series in our comparison table below.
| Sony A7 II | Sony A7 III | Sony A7 IV | |
|---|---|---|---|
| AF points | 117 | 693 | 759 |
| Megapixels | 24.3 | 24.2 | 33 |
| Sensor type | Full frame CMOS sensor (35 mm) | Full frame CMOS sensor (35 mm) | Full frame CMOS sensor (35 mm) |
| ISO sensitivity | 50–25600 | 50–204800 | 50–204800 |
| Image processor | BIONZ X | BIONZ X | BIONZ XR |
| Supported formats | JPEG, RAW | JPEG, RAW | JPEG, RAW |
| Stabilisation | Yes | Yes | Yes |
| Burst | 5 | 10 | 10 |
| Touchscreen | No | No | Yes |
| Eye Autofocus | No | Yes | Yes |
| Real-time tracking | No | No | Yes |
| Battery type | NP-FW50 W-series | NP-FZ100 | NP-FZ100 |
| Bluetooth | No | Yes | Yes |
| Battery life | 350 photos | 710 photos | 670 photos |
| Memory slots | 1 | 2 | 2 |
| Video | Full HD @ 60fps | UHD 4K @ 30fps | UHD 4K @ 60fps |
| Weight | 599 grams | 565 grams | 573 grams |
Choose a mirrorless camera from the A7 series, but which one?
The A7 series consists of different groups: the Sony A7, Sony A7R and the Sony A7S. But which series is best suited to which purpose? Let us help you make a first selection.
The cameras in the Sony A7 series are suitable for various types of photography and produce images of outstanding quality. You have already read about the differences between the Sony A7 mark II, mark III and mark IV.
The Sony A7R series is mainly intended for when you want to get started with taking high-quality photos, while still valuing a light and compact camera. Think, for example, of landscape or portrait photography. You can find the differences between the Sony A7R II, A7R III and A7R IV in our overview of the A7R series.
Last in the list is the Sony A7S series. This is specially designed for videography and for photographers who also want to take photos in low-light conditions with as little noise as possible. You can find the differences between the Sony A7S and A7S II in our overview of the A7S series. Want to know even more about this series? Then take a look at our overview of the A7S series to make the best choice for yourself.