Sigma SD9 vs Sony A77
54 Imaging
38 Features
27 Overall
33
59 Imaging
63 Features
83 Overall
71
Sigma SD9 vs Sony A77 Key Specs
(Full Review)
- 3MP - APS-C Sensor
- 1.8" Fixed Screen
- ISO 100 - 400
- 1/6000s Max Shutter
- No Video
- Sigma SA Mount
- 950g - 152 x 120 x 79mm
- Introduced November 2002
- New Model is Sigma SD10
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 50 - 16000 (Push to 25600)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Launched October 2011
- Superseded the Sony A700
- Renewed by Sony A77 II
Snapchat Adds Watermarks to AI-Created Images Sigma SD9 vs Sony A77 Overview
Lets take a deeper look at the Sigma SD9 versus Sony A77, both Advanced DSLR digital cameras by rivals Sigma and Sony. There exists a considerable gap between the resolutions of the SD9 (3MP) and A77 (24MP) but they feature the same exact sensor dimensions (APS-C).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe SD9 was launched 10 years before the A77 which is quite a large difference as far as technology is concerned. Each of the cameras offer the identical body type (Mid-size SLR).
Before we go in to a thorough comparison, below is a simple overview of how the SD9 scores against the A77 when it comes to portability, imaging, features and an overall score.
Photography Glossary Sigma SD9 vs Sony A77 Gallery
The following is a preview of the gallery images for Sigma SD9 & Sony SLT-A77. The complete galleries are provided at Sigma SD9 Gallery & Sony A77 Gallery.
Reasons to pick Sigma SD9 over the Sony A77
| SD9 | A77 |
|---|
Reasons to pick Sony A77 over the Sigma SD9
| A77 | SD9 | |||
|---|---|---|---|---|
| Launched | October 2011 |  | November 2002 | More modern by 108 months |
| Screen type | Fully Articulated |  | Fixed | Fully Articulating screen |
| Screen sizing | 3" |  | 1.8" | Bigger screen (+1.2") |
| Screen resolution | 921k |  | 130k | Sharper screen (+791k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Sigma SD9 and Sony A77
| SD9 | A77 | |||
|---|---|---|---|---|
| Manual focus |  | Very accurate focusing | ||
| Touch friendly screen |  | Neither has Touch friendly screen |
Sigma SD9 vs Sony A77 Physical Comparison
In case you're intending to carry around your camera, you should consider its weight and dimensions. The Sigma SD9 has external measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") along with a weight of 950 grams (2.09 lbs) and the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).
Check the Sigma SD9 versus Sony A77 in our completely new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will differ dependant on the lens you are using at the time. The following is the front view measurement comparison of the SD9 and the A77.
Factoring in dimensions and weight, the portability score of the SD9 and A77 is 54 and 59 respectively.
Sigma SD9 vs Sony A77 Sensor Comparison
More often than not, it is very hard to envision the difference between sensor sizes purely by reading a spec sheet. The pic underneath may offer you a clearer sense of the sensor measurements in the SD9 and A77.
Clearly, the two cameras offer the same exact sensor sizing albeit not the same megapixels. You can expect the Sony A77 to offer more detail utilizing its extra 21 Megapixels. Higher resolution will also enable you to crop pictures a little more aggressively. The more aged SD9 is going to be behind with regard to sensor tech.
Sigma SD9 vs Sony A77 Screen and ViewFinder
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Sigma SD9 vs Sony A77 Specifications
| Sigma SD9 | Sony SLT-A77 | |
|---|---|---|
| General Information | ||
| Company | Sigma | Sony |
| Model | Sigma SD9 | Sony SLT-A77 |
| Type | Advanced DSLR | Advanced DSLR |
| Introduced | 2002-11-26 | 2011-10-25 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | - | Bionz |
| Sensor type | CMOS (Foveon X3) | CMOS |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 20.7 x 13.8mm | 23.5 x 15.6mm |
| Sensor area | 285.7mm² | 366.6mm² |
| Sensor resolution | 3 megapixel | 24 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest Possible resolution | 2268 x 1512 | 6000 x 4000 |
| Maximum native ISO | 400 | 16000 |
| Maximum enhanced ISO | - | 25600 |
| Minimum native ISO | 100 | 50 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | - | 19 |
| Cross focus points | - | 11 |
| Lens | ||
| Lens mount | Sigma SA | Sony/Minolta Alpha |
| Available lenses | 76 | 143 |
| Crop factor | 1.7 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fully Articulated |
| Screen diagonal | 1.8 inch | 3 inch |
| Resolution of screen | 130 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359 thousand dot |
| Viewfinder coverage | 98% | 100% |
| Viewfinder magnification | 0.77x | 0.73x |
| Features | ||
| Minimum shutter speed | 30 seconds | 30 seconds |
| Fastest shutter speed | 1/6000 seconds | 1/8000 seconds |
| Continuous shutter speed | - | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Change white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | 12.00 m |
| Flash modes | - | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Fastest flash sync | 1/180 seconds | 1/250 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Maximum video resolution | None | 1920x1080 |
| Video format | - | MPEG-4, AVCHD, H.264 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 1.0 (1.5 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 950g (2.09 pounds) | 732g (1.61 pounds) |
| Dimensions | 152 x 120 x 79mm (6.0" x 4.7" x 3.1") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall score | not tested | 78 |
| DXO Color Depth score | not tested | 24.0 |
| DXO Dynamic range score | not tested | 13.2 |
| DXO Low light score | not tested | 801 |
| Other | ||
| Battery life | - | 470 shots |
| Form of battery | - | Battery Pack |
| Battery model | - | NP-FM500H |
| Self timer | Yes (10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | Compact Flash Type I or II | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | One | One |
| Price at release | $3,001 | $900 |