Sigma DP2x vs Sony A55
86 Imaging
45 Features
31 Overall
39
67 Imaging
56 Features
80 Overall
65
Sigma DP2x vs Sony A55 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 100 - 3200
- 320 x 240 video
- 41mm (F) lens
- 280g - 113 x 60 x 56mm
- Introduced February 2011
- Replaced the Sigma DP2s
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 12800 (Increase to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Introduced August 2010
- Newer Model is Sony A57
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Below is a in-depth assessment of the Sigma DP2x and Sony A55, former being a Large Sensor Compact while the latter is a Entry-Level DSLR by companies Sigma and Sony. There exists a large gap between the resolutions of the DP2x (5MP) and A55 (16MP) but they possess the exact same sensor measurements (APS-C).
President Biden pushes bill mandating TikTok sale or banThe DP2x was launched 6 months later than the A55 which means that they are both of a similar age. Both cameras come with different body type with the Sigma DP2x being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.
Before we go in to a complete comparison, below is a concise view of how the DP2x matches up versus the A55 for portability, imaging, features and an overall grade.
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This is a preview of the gallery photos for Sigma DP2x & Sony SLT-A55. The complete galleries are viewable at Sigma DP2x Gallery & Sony A55 Gallery.
Reasons to pick Sigma DP2x over the Sony A55
| DP2x | A55 |
|---|
Reasons to pick Sony A55 over the Sigma DP2x
| A55 | DP2x | |||
|---|---|---|---|---|
| Screen type | Fully Articulated |  | Fixed | Fully Articulating screen |
| Screen dimension | 3" |  | 2.5" | Bigger screen (+0.5") |
| Screen resolution | 921k |  | 230k | Clearer screen (+691k dot) |
| Selfie screen |  | Easy selfies |
Common features in the Sigma DP2x and Sony A55
| DP2x | A55 | |||
|---|---|---|---|---|
| Introduced | February 2011 |  | August 2010 | Similar age |
| Manual focus |  | Very exact focusing | ||
| Touch screen |  | Lack of Touch screen |
Sigma DP2x vs Sony A55 Physical Comparison
If you are intending to lug around your camera often, you will need to consider its weight and dimensions. The Sigma DP2x has outer measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs) and the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).
Contrast the Sigma DP2x and Sony A55 in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change based on the lens you are utilizing at the time. Following is the front view over all size comparison of the DP2x compared to the A55.
Taking into account dimensions and weight, the portability score of the DP2x and A55 is 86 and 67 respectively.
Sigma DP2x vs Sony A55 Sensor Comparison
More often than not, it is very tough to envision the difference between sensor measurements merely by reading through technical specs. The photograph here should give you a better sense of the sensor measurements in the DP2x and A55.
As you can tell, both of those cameras have got the exact same sensor measurements albeit not the same MP. You can count on the Sony A55 to resolve greater detail utilizing its extra 11 Megapixels. Higher resolution will also help you crop shots much more aggressively.
Sigma DP2x vs Sony A55 Screen and ViewFinder
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Sigma DP2x vs Sony A55 Specifications
| Sigma DP2x | Sony SLT-A55 | |
|---|---|---|
| General Information | ||
| Company | Sigma | Sony |
| Model type | Sigma DP2x | Sony SLT-A55 |
| Category | Large Sensor Compact | Entry-Level DSLR |
| Introduced | 2011-02-08 | 2010-08-24 |
| Body design | Large Sensor Compact | Compact SLR |
| Sensor Information | ||
| Chip | True II | 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 surface area | 285.7mm² | 366.6mm² |
| Sensor resolution | 5 megapixel | 16 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Full resolution | 2640 x 1760 | 4912 x 3264 |
| Max native ISO | 3200 | 12800 |
| Max boosted ISO | - | 25600 |
| Lowest native ISO | 100 | 100 |
| RAW support | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | - | 15 |
| Cross type focus points | - | 3 |
| Lens | ||
| Lens mount type | fixed lens | Sony/Minolta Alpha |
| Lens zoom range | 41mm (1x) | - |
| Amount of lenses | - | 143 |
| Focal length multiplier | 1.7 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fully Articulated |
| Screen diagonal | 2.5 inch | 3 inch |
| Resolution of screen | 230k dot | 921k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | None | Electronic |
| Viewfinder resolution | - | 1,150k dot |
| Viewfinder coverage | - | 100 percent |
| Viewfinder magnification | - | 0.73x |
| Features | ||
| Lowest shutter speed | 15s | 30s |
| Highest shutter speed | 1/2000s | 1/4000s |
| Continuous shooting speed | 3.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 4.30 m | 10.00 m (@ ISO 100) |
| Flash modes | Forced Flash, Red-Eye Reduction, Slow Synchro | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Highest flash sync | - | 1/160s |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 320 x 240 | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Max video resolution | 320x240 | 1920x1080 |
| Video format | Motion JPEG | MPEG-4, AVCHD, H.264 |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 280 gr (0.62 pounds) | 500 gr (1.10 pounds) |
| Dimensions | 113 x 60 x 56mm (4.4" x 2.4" x 2.2") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
| DXO scores | ||
| DXO All around rating | not tested | 73 |
| DXO Color Depth rating | not tested | 23.0 |
| DXO Dynamic range rating | not tested | 12.4 |
| DXO Low light rating | not tested | 816 |
| Other | ||
| Battery life | - | 380 shots |
| Battery form | - | Battery Pack |
| Battery ID | - | NP-FW50 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage media | SD/SDHC/MMC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Launch cost | $699 | $800 |
