Sigma SD1 vs Sony A850
77 Imaging
55 Features
43 Overall
50
54 Imaging
68 Features
60 Overall
64
Sigma SD1 vs Sony A850 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 0 - 0
- No Video
- Sigma SA Mount
- n/ag - 146 x 113 x 80mm
- Revealed September 2010
- Later Model is Sigma SD1 Merrill
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Screen
- ISO 200 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Introduced April 2010
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Lets take a closer look at the Sigma SD1 vs Sony A850, both Advanced DSLR cameras by manufacturers Sigma and Sony. There exists a sizeable gap among the sensor resolutions of the SD1 (15MP) and A850 (25MP) and the SD1 (APS-C) and A850 (Full frame) possess different sensor measurements.
Samsung Releases Faster Versions of EVO MicroSD CardsThe SD1 was unveiled 6 months after the A850 and they are of a similar generation. The two cameras come with the identical body type (Mid-size SLR).
Before getting straight into a more detailed comparison, below is a simple overview of how the SD1 grades against the A850 for portability, imaging, features and an overall score.
Photography Glossary Sigma SD1 vs Sony A850 Gallery
Here is a preview of the gallery photos for Sigma SD1 and Sony Alpha DSLR-A850. The full galleries are available at Sigma SD1 Gallery and Sony A850 Gallery.
Reasons to pick Sigma SD1 over the Sony A850
| SD1 | A850 |
|---|
Reasons to pick Sony A850 over the Sigma SD1
| A850 | SD1 | |||
|---|---|---|---|---|
| Screen resolution | 922k |  | 460k | Crisper screen (+462k dot) |
Common features in the Sigma SD1 and Sony A850
| SD1 | A850 | |||
|---|---|---|---|---|
| Introduced | September 2010 |  | April 2010 | Same generation |
| Manually focus |  | More exact focus | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen dimension | 3" |  | 3" | Identical screen measurements |
| Selfie screen |  | Neither provides selfie screen | ||
| Touch screen |  | No Touch screen |
Sigma SD1 vs Sony A850 Physical Comparison
If you're aiming to carry around your camera regularly, you should consider its weight and dimensions. The Sigma SD1 provides external measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs) while the Sony A850 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).
Check the Sigma SD1 vs Sony A850 in the latest Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at the time. Here is the front view dimension comparison of the SD1 and the A850.
Taking into account dimensions and weight, the portability score of the SD1 and A850 is 77 and 54 respectively.
Sigma SD1 vs Sony A850 Sensor Comparison
Typically, it's difficult to imagine the gap in sensor sizes just by researching technical specs. The pic underneath should offer you a better sense of the sensor sizing in the SD1 and A850.
As you can tell, the two cameras posses different megapixels and different sensor sizes. The SD1 having a smaller sensor is going to make achieving shallower DOF tougher and the Sony A850 will render extra detail having an extra 10 Megapixels. Higher resolution will also make it easier to crop pictures somewhat more aggressively.
Sigma SD1 vs Sony A850 Screen and ViewFinder
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Sigma SD1 vs Sony A850 Specifications
| Sigma SD1 | Sony Alpha DSLR-A850 | |
|---|---|---|
| General Information | ||
| Manufacturer | Sigma | Sony |
| Model | Sigma SD1 | Sony Alpha DSLR-A850 |
| Category | Advanced DSLR | Advanced DSLR |
| Revealed | 2010-09-21 | 2010-04-15 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | Dual True II | Bionz |
| Sensor type | CMOS (Foveon X3) | CMOS |
| Sensor size | APS-C | Full frame |
| Sensor measurements | 24 x 16mm | 35.9 x 24mm |
| Sensor surface area | 384.0mm² | 861.6mm² |
| Sensor resolution | 15 megapixel | 25 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | - | 3:2 and 16:9 |
| Highest resolution | 4800 x 3200 | 6048 x 4032 |
| Highest native ISO | - | 3200 |
| Highest boosted ISO | - | 6400 |
| Lowest native ISO | - | 200 |
| RAW pictures | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Number of focus points | 11 | 9 |
| Cross focus points | 2 | - |
| Lens | ||
| Lens mount | Sigma SA | Sony/Minolta Alpha |
| Number of lenses | 76 | 143 |
| Crop factor | 1.5 | 1 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen sizing | 3 inches | 3 inches |
| Resolution of screen | 460k dot | 922k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Screen tech | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 96 percent | 98 percent |
| Viewfinder magnification | 0.64x | 0.74x |
| Features | ||
| Slowest shutter speed | 15 seconds | 30 seconds |
| Maximum shutter speed | 1/2000 seconds | 1/8000 seconds |
| Continuous shooting speed | 5.0 frames per sec | 3.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | - | no built-in flash |
| Flash options | - | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash sync | - | 1/250 seconds |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Highest video resolution | None | None |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | - | 895 grams (1.97 pounds) |
| Dimensions | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO All around score | not tested | 79 |
| DXO Color Depth score | not tested | 23.8 |
| DXO Dynamic range score | not tested | 12.2 |
| DXO Low light score | not tested | 1415 |
| Other | ||
| Battery life | - | 880 images |
| Type of battery | - | Battery Pack |
| Battery model | - | NP-FM500H |
| Self timer | Yes | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Type of storage | Compact Flash (Type I, UDMA compatible) | Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo |
| Storage slots | Single | 2 |
| Cost at launch | $2,339 | $0 |
