5.75 in 4.88 in  | 5.0 in 3.77 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D850 |  Sony a7R II | |
|---|---|---|
| Sensor type | CMOS | Exmor CMOS |
| Image sensor format | FX | Full frame |
| Sensor size | 1.41 in | 1.41 in |
| Effective pixels | 45.75 Mpx | 42.0 Mpx |
| Max resolution | 8256 x 5504 px | 7952 x 5304 px |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| ISO |
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| ISO minimum | 64 | 50 |
| ISO maximum | 25600 | 102400 |
| Maximum image resolution | 8256 x 5504 px | 7952 x 5304 px |
| White balance modes |
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| Supported image file formats |
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| Photo effects |
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| Supported aspect ratios |
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| HDR | yes | yes |
| AEB/HDR support | yes | yes |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Lens mount | Nikon AF-S | Sony E-mount |
| Magnification (Crop factor) | 1.0 x | 0.78 x |
| AF assist (auto-focus assist light) | Lamp | Lamp |
| Focus adjustment | Auto/Manual | Auto/Manual |
| Contrast autofocus | yes | yes |
| Contrast adjustment | yes | yes |
| Autofocus |
| TTL contrast and phase detection |
| Auto Focus (AF) lock | yes | yes |
| Max number of AF points (incl. assistant) | 153 | 399 |
| Image stabiliser | Lens based only | Optical |
| Phase detection autofocus | yes | yes |
| Number of AF points (contrast) | 99 | 25 |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Screen size | 3.2 in | 3.0 in |
| Articulated LCD | yes | yes |
| Screen technology | LCD | LCD TFT |
| Screen dots | 2360000 | 1228800 |
| Touch screen | yes | no |
| Live view | yes | yes |
| Viewfinder | Optical | Electronic |
| Viewfinder coverage | 100.0 % | 100.0 % |
| Viewfinder magnification | 0.75 x | 0.78 x |
| Separate info display | yes | no |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Shooting modes |
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| Camera shutter type |
| Mechanical |
| Number of exposures | 2 | 3 |
| Auto exposure lock | yes | yes |
| Continuous shooting | yes | yes |
| Self-timer delay |
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| Histogram | yes | yes |
| Flash sync speed | 1/250s | 1/250s |
| Flash modes |
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| External flash connection | Hot shoe | Hot shoe |
| Manual settings | yes | yes |
| Speed (RAW) | 7.0 fps | 5.0 fps |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Maximum resolution | 3840 x 2160 px | 3840 x 2160 px |
| Video recording | yes | yes |
| Recording resolutions |
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| HD type | 4K Ultra HD | 4K Ultra HD |
| Supported video file formats |
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| Camera playback |
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| Max resolution (highest frame rate) | 1920 x 1080 | 3840 x 2160 |
| Max frame rate (highest resolution) | 30.0 fps | 30.0 fps |
| Max frame rate (regardless of res.) | 120.0 fps | 120.0 fps |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Built-in microphone | yes | yes |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Body type | SLR | MILC |
| Body material | Aluminum-magnesium | Magnesium alloy |
| Colour of product | Black | Black |
| Anti-dust system | yes | yes |
| Environmentally sealed | yes | yes |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Weight | 32.28 oz | 20.53 oz |
| Width | 5.75 in | 5.0 in |
| Height | 4.88 in | 3.77 in |
| Depth | 3.09 in | 2.37 in |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| Compatible memory cards |
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| Memory slots | 2 | 1 |
| Storage types |
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| Nikon D850 | Sony a7R II | |
|---|---|---|
| Power source type | Battery | Battery |
| Battery life (CIPA) | 1840 | 340 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| AC adapter included | Y | yes |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| HDMI | yes | yes |
| HDMI connector type | Mini | Micro |
| USB connector type | Micro-USB B | Micro-USB B |
| USB version | 3.1 | 2.0 |
| Supported WiFi types |
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| NFC | no | yes |
| Wireless network (Wi-Fi) | yes | yes |
| Firewire | no | no |
| Nikon D850 | Sony a7R II | |
|---|---|---|
| GPS | yes | no |
| Pros | ||
|---|---|---|
| Cons |
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