Sony A7R III vs Sony A900
63 Imaging
78 Features
93 Overall
84
54 Imaging
67 Features
62 Overall
65
Sony A7R III vs Sony A900 Key Specs
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Push to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Revealed October 2017
- Superseded the Sony A7R II
- Successor is Sony A7R IV
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Introduced October 2008
- Replacement is Sony A99
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Here, we will be contrasting the Sony A7R III and Sony A900, one is a Pro Mirrorless and the latter is a Advanced DSLR and both are sold by Sony. There is a huge difference between the image resolutions of the A7R III (42MP) and A900 (25MP) but both cameras offer the identical sensor size (Full frame).
Samsung Releases Faster Versions of EVO MicroSD CardsThe A7R III was released 9 years after the A900 which is quite a significant gap as far as tech is concerned. The two cameras feature different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.
Before getting straight to a detailed comparison, here is a concise synopsis of how the A7R III matches up against the A900 in regards to portability, imaging, features and an overall mark.
Snapchat Adds Watermarks to AI-Created Images Sony A7R III vs Sony A900 Gallery
This is a preview of the gallery images for Sony Alpha A7R III and Sony Alpha DSLR-A900. The complete galleries are provided at Sony A7R III Gallery and Sony A900 Gallery.
Reasons to pick Sony A7R III over the Sony A900
| A7R III | A900 | |||
|---|---|---|---|---|
| Introduced | October 2017 |  | October 2008 | Newer by 110 months |
| Screen type | Tilting |  | Fixed | Tilting screen |
| Screen resolution | 1440k |  | 922k | Sharper screen (+518k dot) |
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Sony A900 over the Sony A7R III
| A900 | A7R III |
|---|
Common features in the Sony A7R III and Sony A900
| A7R III | A900 | |||
|---|---|---|---|---|
| Manual focus |  | Dial accurate focusing | ||
| Screen size | 3" |  | 3" | Same screen size |
| Selfie screen |  | Neither features selfie screen |
Sony A7R III vs Sony A900 Physical Comparison
For those who are going to travel with your camera regularly, you'll have to take into account its weight and size. The Sony A7R III enjoys outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) while the Sony A900 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).
Analyze the Sony A7R III and Sony A900 in the all new Camera with Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at that time. Underneath is a front view sizing comparison of the A7R III against the A900.
Using size and weight, the portability grade of the A7R III and A900 is 63 and 54 respectively.
Sony A7R III vs Sony A900 Sensor Comparison
Generally, its tough to envision the contrast between sensor dimensions purely by reading a spec sheet. The pic here may give you a greater sense of the sensor sizes in the A7R III and A900.
As you can see, both of these cameras feature the identical sensor size albeit not the same MP. You should expect the Sony A7R III to offer you more detail as a result of its extra 17 Megapixels. Higher resolution will let you crop pictures way more aggressively. The fresher A7R III is going to have an edge with regard to sensor innovation.
Sony A7R III vs Sony A900 Screen and ViewFinder
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Sony A7R III vs Sony A900 Specifications
| Sony Alpha A7R III | Sony Alpha DSLR-A900 | |
|---|---|---|
| General Information | ||
| Manufacturer | Sony | Sony |
| Model | Sony Alpha A7R III | Sony Alpha DSLR-A900 |
| Category | Pro Mirrorless | Advanced DSLR |
| Revealed | 2017-10-25 | 2008-10-22 |
| Physical type | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Processor | Bionz X | Bionz |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | Full frame | Full frame |
| Sensor measurements | 35.9 x 24mm | 35.9 x 24mm |
| Sensor surface area | 861.6mm² | 861.6mm² |
| Sensor resolution | 42 megapixels | 25 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Highest Possible resolution | 7952 x 5304 | 6048 x 4032 |
| Maximum native ISO | 32000 | 6400 |
| Maximum enhanced ISO | 102400 | - |
| Min native ISO | 100 | 100 |
| RAW images | ||
| Min enhanced ISO | 50 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 425 | 9 |
| Lens | ||
| Lens mount | Sony E | Sony/Minolta Alpha |
| Available lenses | 121 | 143 |
| Focal length multiplier | 1 | 1 |
| Screen | ||
| Screen type | Tilting | Fixed Type |
| Screen diagonal | 3 inch | 3 inch |
| Resolution of screen | 1,440 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Screen tech | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 3,686 thousand dots | - |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.78x | 0.74x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/8000 secs | 1/8000 secs |
| Continuous shutter rate | 10.0fps | 5.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash options | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AE bracketing | ||
| White balance bracketing | ||
| Max flash synchronize | - | 1/250 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) | - |
| Maximum video resolution | 3840x2160 | None |
| Video format | MPEG-4, AVCHD, XAVC S | - |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1(5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 657 gr (1.45 lb) | 895 gr (1.97 lb) |
| Physical dimensions | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO Overall score | 100 | 79 |
| DXO Color Depth score | 26.0 | 23.7 |
| DXO Dynamic range score | 14.7 | 12.3 |
| DXO Low light score | 3523 | 1431 |
| Other | ||
| Battery life | 650 photos | 880 photos |
| Battery type | Battery Pack | Battery Pack |
| Battery model | NP-FZ100 | NP-FM500H |
| Self timer | Yes (2 or 10 sec; continuous (3 or 5 exposures)) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | Two SD/SDHC/SDXC slots (UHS-II support on one) | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
| Card slots | Two | Two |
| Launch pricing | $2,800 | $2,736 |
