Sigma DP2 vs Sony A77
86 Imaging
44 Features
28 Overall
37


59 Imaging
63 Features
83 Overall
71
Sigma DP2 vs Sony A77 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 200 - 3200
- 320 x 240 video
- 41mm (F) lens
- 280g - 113 x 60 x 56mm
- Revealed September 2009
- Replacement is Sigma DP2s
(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
- Introduced October 2011
- Superseded the Sony A700
- Refreshed by Sony A77 II

Sigma DP2 vs Sony A77 Overview
Here, we will be comparing the Sigma DP2 versus Sony A77, former is a Large Sensor Compact while the latter is a Advanced DSLR by brands Sigma and Sony. There is a considerable difference among the sensor resolutions of the DP2 (5MP) and A77 (24MP) but both cameras provide the identical sensor sizes (APS-C).

The DP2 was revealed 3 years prior to the A77 which is a fairly large difference as far as camera tech is concerned. Both of the cameras feature different body design with the Sigma DP2 being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.
Before going right into a in-depth comparison, here is a simple highlight of how the DP2 grades versus the A77 with regard to portability, imaging, features and an overall mark.

Sigma DP2 vs Sony A77 Gallery
Following is a preview of the gallery images for Sigma DP2 & Sony SLT-A77. The full galleries are provided at Sigma DP2 Gallery & Sony A77 Gallery.
Reasons to pick Sigma DP2 over the Sony A77
DP2 | A77 |
---|
Reasons to pick Sony A77 over the Sigma DP2
A77 | DP2 | |||
---|---|---|---|---|
Introduced | October 2011 | ![]() | September 2009 | Newer by 25 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen size | 3" | ![]() | 2.5" | Bigger screen (+0.5") |
Screen resolution | 921k | ![]() | 230k | Crisper screen (+691k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Sigma DP2 and Sony A77
DP2 | A77 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focus | ||
Touch friendly screen | ![]() | Lacking Touch friendly screen |
Sigma DP2 vs Sony A77 Physical Comparison
For anyone who is going to travel with your camera frequently, you need to consider its weight and measurements. The Sigma DP2 has got outer dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs) and the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).
Compare the Sigma DP2 versus Sony A77 in our completely new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will change dependant on the lens you use at that moment. Here is a front view dimension comparison of the DP2 versus the A77.

Taking into account size and weight, the portability score of the DP2 and A77 is 86 and 59 respectively.

Sigma DP2 vs Sony A77 Sensor Comparison
Generally, its hard to picture the gap in sensor dimensions merely by seeing specs. The pic underneath will help give you a better sense of the sensor dimensions in the DP2 and A77.
All in all, both of the cameras come with the identical sensor size albeit different MP. You can expect the Sony A77 to show more detail because of its extra 19MP. Higher resolution can also allow you to crop photographs a good deal more aggressively. The more aged DP2 will be behind in sensor tech.

Sigma DP2 vs Sony A77 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP2 vs Sony A77 Specifications
Sigma DP2 | Sony SLT-A77 | |
---|---|---|
General Information | ||
Brand Name | Sigma | Sony |
Model type | Sigma DP2 | Sony SLT-A77 |
Type | Large Sensor Compact | Advanced DSLR |
Revealed | 2009-09-21 | 2011-10-25 |
Physical type | Large Sensor Compact | Mid-size SLR |
Sensor Information | ||
Powered by | - | Bionz |
Sensor type | CMOS (Foveon X3) | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 20.7 x 13.8mm | 23.5 x 15.6mm |
Sensor surface area | 285.7mm² | 366.6mm² |
Sensor resolution | 5 megapixels | 24 megapixels |
Anti alias filter | ||
Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
Highest resolution | 2640 x 1760 | 6000 x 4000 |
Highest native ISO | 3200 | 16000 |
Highest boosted ISO | - | 25600 |
Min native ISO | 200 | 50 |
RAW pictures | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
AF continuous | ||
AF single | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
Multi area AF | ||
Live view AF | ||
Face detect focusing | ||
Contract detect focusing | ||
Phase detect focusing | ||
Total focus points | - | 19 |
Cross type focus points | - | 11 |
Lens | ||
Lens support | fixed lens | Sony/Minolta Alpha |
Lens zoom range | 41mm (1x) | - |
Number of lenses | - | 143 |
Focal length multiplier | 1.7 | 1.5 |
Screen | ||
Display type | Fixed Type | Fully Articulated |
Display size | 2.5 inches | 3 inches |
Resolution of display | 230k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | None | Electronic |
Viewfinder resolution | - | 2,359k dots |
Viewfinder coverage | - | 100 percent |
Viewfinder magnification | - | 0.73x |
Features | ||
Slowest shutter speed | 15 seconds | 30 seconds |
Maximum shutter speed | 1/2000 seconds | 1/8000 seconds |
Continuous shooting rate | 3.0 frames per second | 12.0 frames per second |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 4.30 m | 12.00 m |
Flash modes | Forced Flash, Red-Eye Reduction, Slow Synchro | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Maximum flash synchronize | - | 1/250 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 320 x 240 (30 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Highest video resolution | 320x240 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
Mic support | ||
Headphone support | ||
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 sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 280 gr (0.62 lbs) | 732 gr (1.61 lbs) |
Physical dimensions | 113 x 60 x 56mm (4.4" x 2.4" x 2.2") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO All around rating | not tested | 78 |
DXO Color Depth rating | not tested | 24.0 |
DXO Dynamic range rating | not tested | 13.2 |
DXO Low light rating | not tested | 801 |
Other | ||
Battery life | - | 470 photographs |
Battery style | - | Battery Pack |
Battery ID | - | NP-FM500H |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse shooting | ||
Type of storage | SD/SDHC/MMC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | 1 | 1 |
Retail pricing | $649 | $900 |