Sony A7S III vs Sony A900
Portability
61 Imaging
63 Features
92 Overall
74
61 Imaging
63 Features
92 Overall
74
Portability
54 Imaging
65 Features
62 Overall
63
54 Imaging
65 Features
62 Overall
63
Sony A7S III vs Sony A900 Key Specs
Sony A7S III
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Screen
- ISO 80 - 102400 (Increase to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Introduced July 2020
- Earlier Model is Sony A7S II
Sony A900
(Full Review)
(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
- Revealed October 2008
- Successor is Sony A99
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Here is a complete comparison of the Sony A7S III vs Sony A900, one being a Pro Mirrorless and the latter is a Advanced DSLR and both are offered by Sony. There exists a crucial gap among the image resolutions of the A7S III (12MP) and A900 (25MP) but both cameras offer the identical sensor dimensions (Full frame).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe A7S III was unveiled 11 years later than the A900 and that is a fairly serious gap as far as camera technology is concerned. Both of the cameras feature different body design with the Sony A7S 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 brief synopsis of how the A7S III grades vs the A900 with regards to portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Sony Alpha A7S III and Sony Alpha DSLR-A900. The full galleries are provided at Sony A7S III Gallery and Sony A900 Gallery.
Reasons to pick Sony A7S III over the Sony A900
| A7S III | A900 | |||
|---|---|---|---|---|
| Revealed | July 2020 |  | October 2008 | Fresher by 143 months |
| Screen type | Fully articulated |  | Fixed | Fully Articulating screen |
| Screen resolution | 1440k |  | 922k | Crisper screen (+518k dot) |
| Selfie screen |  | Take selfies | ||
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Sony A900 over the Sony A7S III
| A900 | A7S III |
|---|
Common features in the Sony A7S III and Sony A900
| A7S III | A900 | |||
|---|---|---|---|---|
| Manually focus |  | Dial exact focus | ||
| Screen size | 3" |  | 3" | Same screen sizing |
Sony A7S III vs Sony A900 Physical Comparison
In case you're aiming to carry your camera, you are going to need to factor in its weight and measurements. The Sony A7S III features outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs) and the Sony A900 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).
Check out the Sony A7S III vs Sony A900 in the all new Camera and Lens Size Comparison Tool.
Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have chosen at that time. Underneath is a front view scale comparison of the A7S III vs the A900.
Factoring in dimensions and weight, the portability rating of the A7S III and A900 is 61 and 54 respectively.
Sony A7S III vs Sony A900 Sensor Comparison
More often than not, it is hard to picture the difference in sensor sizing merely by looking through specs. The visual here should offer you a more clear sense of the sensor sizes in the A7S III and A900.
All in all, the 2 cameras feature the identical sensor size albeit different resolution. You should expect the Sony A900 to render greater detail having an extra 13MP. Higher resolution will help you crop shots way more aggressively. The more modern A7S III should have an advantage when it comes to sensor tech.
Sony A7S III vs Sony A900 Screen and ViewFinder
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Portrait Comparison
Sony A7S III Portrait photography info
Sony A900 Portrait photography info
manual focus
sensor size is large (Full frame)
comes with face detect focus
delivers RAW files
MP count low (12MP)
you can focus manually
MP count high (25 megapixels)
large sensor size (Full frame)
exports RAW formats
no liveview
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Sony A7S III Street photography features
Sony A900 Street photography features
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
comes with touch to focus
weather proofing
very good high ISO (102,400)
has image stabilization (Sensor based)
large sensor size (Full frame)
exports RAW formats
weather proofing
screen is fixed
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Sony A7S III Sports photography highlights
Sony A900 Sports photography highlights
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
comes with tracking focus
weather proofing
great battery life (600 CIPA)
comes with phase detect auto focus
MP count low (12MP)
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
MP count high (25 megapixels)
large sensor size (Full frame)
weather proofing
supports phase detect auto focus
no liveview
continuous shooting slow (5.0 frames per second)
Photography GlossaryTravel Comparison
Sony A7S III Travel photography features
Sony A900 Travel photography features
great battery life (600 CIPA)
weather proofing
has bluetooth
comes with touch to focus
selfie friendly screen
MP count low (12 megapixels)
weather proofing
MP count high (25MP)
lack of Time Lapse function
doesn't feature selfie friendly screen
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Sony A7S III Landscape photography info
Sony A900 Landscape photography info
manual focus
swap lenses (Sony E mount)
screen is a decent size (3 inch)
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
very good high ISO (102,400)
delivers RAW files
weather proofing
great battery life (600 CIPA)
has double storage slots
MP count low (12MP)
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
screen is a decent size (3 inches)
has image stabilization (Sensor based)
MP count high (25MP)
large sensor size (Full frame)
exports RAW formats
weather proofing
has dual storage slots
no liveview
lack of Time Lapse function
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Sony A7S III Vlogging highlights
Sony A900 Vlogging highlights
selfie friendly screen
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
comes with face detect focus
video resolution high (3840 x 2160 pixels)
does have microphone port
can't record video
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Sony A7S III vs Sony A900 Specifications
| Sony Alpha A7S III | Sony Alpha DSLR-A900 | |
|---|---|---|
| General Information | ||
| Brand | Sony | Sony |
| Model type | Sony Alpha A7S III | Sony Alpha DSLR-A900 |
| Type | Pro Mirrorless | Advanced DSLR |
| Introduced | 2020-07-21 | 2008-10-22 |
| Body design | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Processor | Bionz XR | Bionz |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | Full frame | Full frame |
| Sensor dimensions | 35.6 x 23.8mm | 35.9 x 24mm |
| Sensor surface area | 847.3mm² | 861.6mm² |
| Sensor resolution | 12 megapixel | 25 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Highest resolution | 4240 x 2832 | 6048 x 4032 |
| Highest native ISO | 102400 | 6400 |
| Highest boosted ISO | 409600 | - |
| Lowest native ISO | 80 | 100 |
| RAW images | ||
| Lowest boosted ISO | 50 | - |
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Total focus points | 759 | 9 |
| Lens | ||
| Lens mount type | Sony E | Sony/Minolta Alpha |
| Available lenses | 121 | 143 |
| Crop factor | 1 | 1 |
| Screen | ||
| Range of screen | Fully articulated | Fixed Type |
| Screen sizing | 3" | 3" |
| Screen resolution | 1,440k dot | 922k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen technology | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 9,440k dot | - |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.91x | 0.74x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/8000 secs | 1/8000 secs |
| Continuous shooting speed | 10.0 frames per sec | 5.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash modes | no built-in flash | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash sync | - | 1/250 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM | - |
| Highest video resolution | 3840x2160 | None |
| Video file format | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 | - |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.2 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 699 gr (1.54 pounds) | 895 gr (1.97 pounds) |
| Physical dimensions | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO All around rating | 85 | 79 |
| DXO Color Depth rating | 23.6 | 23.7 |
| DXO Dynamic range rating | 13.3 | 12.3 |
| DXO Low light rating | 2993 | 1431 |
| Other | ||
| Battery life | 600 photographs | 880 photographs |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | NP-FZ100 | NP-FM500H |
| Self timer | Yes (2 or 10 sec; continuous (3 or 5 exposures)) | Yes (2 or 10 sec) |
| Time lapse feature | With downloadable app | |
| Storage media | Dual SD/CFexpress Type A slots | Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 |
| Storage slots | Dual | Dual |
| Cost at launch | $3,499 | $2,736 |