Sigma DP1s vs Sony A77
90 Imaging
44 Features
30 Overall
38


59 Imaging
63 Features
83 Overall
71
Sigma DP1s vs Sony A77 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 100 - 800
- No Video
- 28mm (F) lens
- 270g - 109 x 60 x 31mm
- Revealed October 2009
- Superseded the Sigma DP1
- Renewed by Sigma DP1x
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 16000 (Increase to 25600)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Released October 2011
- Replaced the Sony A700
- Replacement is Sony A77 II

Sigma DP1s vs Sony A77 Overview
Below is a in depth analysis of the Sigma DP1s versus Sony A77, former being a Large Sensor Compact while the other is a Advanced DSLR by competitors Sigma and Sony. There exists a considerable gap between the resolutions of the DP1s (5MP) and A77 (24MP) but they feature the exact same sensor dimensions (APS-C).

The DP1s was manufactured 3 years earlier than the A77 and that is quite a large difference as far as technology is concerned. Both of these cameras come with different body type with the Sigma DP1s being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.
Before delving straight into a more detailed comparison, below is a simple view of how the DP1s scores against the A77 in terms of portability, imaging, features and an overall grade.

Sigma DP1s vs Sony A77 Gallery
Below is a sample of the gallery pictures for Sigma DP1s & Sony SLT-A77. The entire galleries are viewable at Sigma DP1s Gallery & Sony A77 Gallery.
Reasons to pick Sigma DP1s over the Sony A77
DP1s | A77 |
---|
Reasons to pick Sony A77 over the Sigma DP1s
A77 | DP1s | |||
---|---|---|---|---|
Released | October 2011 | ![]() | October 2009 | More recent by 25 months |
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Display dimension | 3" | ![]() | 2.5" | Larger display (+0.5") |
Display resolution | 921k | ![]() | 230k | Sharper display (+691k dot) |
Selfie screen | ![]() | Easy selfies |
Common features in the Sigma DP1s and Sony A77
DP1s | A77 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial exact focusing | ||
Touch friendly display | ![]() | Absent Touch friendly display |
Sigma DP1s vs Sony A77 Physical Comparison
For anybody who is aiming to lug around your camera, you have to think about its weight and size. The Sigma DP1s provides exterior measurements of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") and a weight of 270 grams (0.60 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).
Compare the Sigma DP1s versus Sony A77 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will differ based on the lens you choose at that time. The following is the front view size comparison of the DP1s versus the A77.

Taking into account dimensions and weight, the portability rating of the DP1s and A77 is 90 and 59 respectively.

Sigma DP1s vs Sony A77 Sensor Comparison
Sometimes, it can be hard to envision the contrast between sensor measurements merely by going over a spec sheet. The photograph underneath will give you a far better sense of the sensor measurements in the DP1s and A77.
As you can see, each of these cameras have got the exact same sensor measurements but not the same resolution. You can anticipate the Sony A77 to deliver extra detail due to its extra 19MP. Greater resolution can also enable you to crop pics much more aggressively. The older DP1s is going to be disadvantaged in sensor tech.

Sigma DP1s vs Sony A77 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP1s vs Sony A77 Specifications
Sigma DP1s | Sony SLT-A77 | |
---|---|---|
General Information | ||
Brand Name | Sigma | Sony |
Model type | Sigma DP1s | Sony SLT-A77 |
Class | Large Sensor Compact | Advanced DSLR |
Revealed | 2009-10-02 | 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 measurements | 20.7 x 13.8mm | 23.5 x 15.6mm |
Sensor area | 285.7mm² | 366.6mm² |
Sensor resolution | 5 megapixels | 24 megapixels |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Highest resolution | 2640 x 1760 | 6000 x 4000 |
Highest native ISO | 800 | 16000 |
Highest boosted ISO | - | 25600 |
Lowest native ISO | 100 | 50 |
RAW support | ||
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
AF continuous | ||
AF single | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
Multi area AF | ||
AF live view | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Total focus points | - | 19 |
Cross type focus points | - | 11 |
Lens | ||
Lens mount type | fixed lens | Sony/Minolta Alpha |
Lens zoom range | 28mm (1x) | - |
Number of lenses | - | 143 |
Crop factor | 1.7 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fully Articulated |
Screen sizing | 2.5" | 3" |
Screen resolution | 230 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | None | Electronic |
Viewfinder resolution | - | 2,359 thousand dots |
Viewfinder coverage | - | 100% |
Viewfinder magnification | - | 0.73x |
Features | ||
Slowest shutter speed | 30 secs | 30 secs |
Maximum shutter speed | 1/4000 secs | 1/8000 secs |
Continuous shooting rate | - | 12.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | - | 12.00 m |
Flash modes | - | 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 secs |
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) |
Highest video resolution | None | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
Microphone support | ||
Headphone support | ||
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 sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 270 gr (0.60 lb) | 732 gr (1.61 lb) |
Dimensions | 109 x 60 x 31mm (4.3" x 2.4" x 1.2") | 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 shots |
Style of battery | - | Battery Pack |
Battery ID | - | NP-FM500H |
Self timer | Yes (10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/MMC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Single | Single |
Launch price | $0 | $900 |