What is the sensor size of the Sony A7S II?
The Sony Alpha 7S II is a digital camera that has a full frame sensor at its core. This imager measures 35.6mm in width and 23.8mm in height, so that the total imaging area of the sensor amounts to 847 mm2.
The A7S II provides an image resolution of 12 megapixels, based on 4 240 horizontal pixels and 2 832 vertical pixels.
Sensor size comparison with a film slide
The sensor diagonal measures 42.8mm, which gives rise to a format factor (or crop factor) of 1.0. Therefore, the Sony A7S II is a full-frame camera, as its sensor size corresponds to that of a traditional 35mm film slide or negative.
Sensor specs and performance
The table below compares the sensor specs of the Sony A7S II to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.
| Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Sony A7S II | Full Frame | 12.0 | 4240 | 2832 | 4K/30p | 23.6 | 13.3 | 2993 | 85 | |
| 2. | Sony A7 IV | Full Frame | 32.7 | 7008 | 4672 | 4K/60p | 25.4 | 14.7 | 3379 | 97 | |
| 3. | Sony A7S III | Full Frame | 12.0 | 4240 | 2832 | 4K/120p | 23.7 | 13.9 | 2520 | 86 | |
| 4. | Sony A9 II | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.0 | 3434 | 93 | |
| 5. | Sony A7R IV | Full Frame | 60.2 | 9504 | 6336 | 4K/30p | 26.0 | 14.8 | 3344 | 99 | |
| 6. | Sony A7 III | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.7 | 3730 | 96 | |
| 7. | Sony A7R III | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 26.0 | 14.7 | 3523 | 100 | |
| 8. | Sony A99 II | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 25.4 | 13.4 | 2317 | 92 | |
| 9. | Sony A7R II | Full Frame | 42.2 | 7952 | 5304 | 4K/30p | 26.0 | 13.9 | 3434 | 98 | |
| 10. | Sony A7 II | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.9 | 13.6 | 2449 | 90 | |
| 11. | Sony A7S | Full Frame | 12.0 | 4240 | 2832 | 1080/60p | 23.9 | 13.2 | 3702 | 87 |
In the United States, the A7S II was initially launched in September 2015 at a price of $2,999.
Check A7S II offers at
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Camera to camera comparisons
If you would like to see a side-by-side review with another camera, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 450D vs Sony A7S II
- Canon 5DS vs Nikon Z6
- Canon G9 X Mark II vs Sony A7S II
- Canon SX520 vs Nikon Z6
- Canon T7i vs Sony A7S II
- Fujifilm GFX 50R vs Sony A7S II
- Fujifilm X-T4 vs Nikon Z6
- Fujifilm XP130 vs Sony A7S II
- Nikon D90 vs Nikon Z6
- Nikon Z6 vs Panasonic GH1
- Nikon Z6 vs Panasonic GH4
- Pentax K-3 vs Sony A7S II
| Camera Model | Sony A7S II | |
| Camera Type | Mirrorless system camera | |
| Camera Lens | Sony E mount lenses | |
| Launch Date | September 2015 | |
| Launch Price | USD 2 999 | |
| Sensor Specs | ||
|---|---|---|
| Sensor Technology | CMOS | |
| Sensor Format | Full Frame Sensor | |
| Sensor Size | 35.6 x 23.8 mm | |
| Sensor Area | 847 mm2 | |
| Sensor Diagonal | 42.8 mm | |
| Crop Factor | 1.0x | |
| Sensor Resolution | 12 Megapixels | |
| Image Resolution | 4 240 x 2 832 pixels | |
| Pixel Pitch | 8.40 μm | |
| Pixel Density | 1.42 MP/cm2 | |
| Moiré control | Anti-Alias filter | |
| Movie Capability | 4K/30p Video | |
| ISO Setting | 100 - 102 400 ISO | |
| ISO Boost | 50 - 409 600 ISO | |
| Image Processor | BIONZ X | |
| DXO Sensor Quality (score) | 85 | |
| DXO Color Depth (bits) | 23.6 | |
| DXO Dynamic Range (EV) | 13.3 | |
| DXO Low Light (ISO) | 2993 | |
| Screen Specs | ||
| Viewfinder Type | Electronic viewfinder | |
| Viewfinder Field of View | 100% | |
| Viewfinder Magnification | 0.78x | |
| Viewfinder Resolution | 2400k dots | |
| Top-Level Screen | no Top Display | |
| LCD Framing | Live View | |
| LCD Size | 3.0 inch | |
| LCD Resolution | 1229k dots | |
| LCD Attachment | Tilting screen | |
| V-logging Friendliness | No front-flip | |
| Touch Input | No touchscreen | |
| Shooting Specs | ||
| Focus System | Contrast-detect AF | |
| Manual Focusing Aid | Focus Peaking | |
| Maximum Shutter Speed | 1/8000s | |
| Continuous Shooting | 5 shutter flaps/s | |
| Shutter Life Expectancy | 200 000 actuations | |
| Silent Shooting | Electronic Shutter | |
| Time Lapse Photography | no Intervalometer | |
| Image Stabilization | In-body stabilization | |
| Fill Flash | no On-Board Flash | |
| Storage Medium | MS or SDXC cards | |
| Single or Dual Card Slots | Single card slot | |
| UHS card support | UHS-I | |
| Connectivity Specs | ||
| External Flash | Hotshoe | |
| USB Connector | USB 2.0 | |
| HDMI Port | micro HDMI | |
| Microphone Port | External MIC port | |
| Headphone Socket | Headphone port | |
| Wifi Support | Wifi built-in | |
| Near-Field Communication | NFC built-in | |
| Body Specs | ||
| Environmental Sealing | Weathersealed body | |
| Battery Type | NP-FW50 power pack | |
| Battery Life (CIPA) | 370 shots per charge | |
| In-Camera Charging | USB charging | |
| Body Dimensions |
127 x 96 x 60 mm (5.0 x 3.8 x 2.4 in) |
|
| Camera Weight | 627 g (22.1 oz) | |
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