Sigma SD15 vs Sony A77 II
59 Imaging
44 Features
45 Overall
44
62 Imaging
66 Features
85 Overall
73
Sigma SD15 vs Sony A77 II Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 1600 (Boost to 3200)
- No Video
- Sigma SA Mount
- 750g - 144 x 107 x 81mm
- Revealed February 2010
- Earlier Model is Sigma SD14
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 25600
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 647g - 143 x 104 x 81mm
- Launched May 2014
- Superseded the Sony A77
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On this page, we are evaluating the Sigma SD15 and Sony A77 II, both Advanced DSLR digital cameras by brands Sigma and Sony. There is a big difference between the image resolutions of the SD15 (5MP) and A77 II (24MP) but both cameras boast the same sensor dimensions (APS-C).
Cutting-edge AI developed by Apple deciphers subtle nuances in pixelsThe SD15 was brought out 5 years earlier than the A77 II and that is quite a big gap as far as tech is concerned. Each of these cameras have the same body design (Mid-size SLR).
Before we go straight to a step-by-step comparison, here is a concise summary of how the SD15 scores vs the A77 II in the way of portability, imaging, features and an overall grade.
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Following is a sample of the gallery pics for Sigma SD15 and Sony SLT-A77 II. The entire galleries are viewable at Sigma SD15 Gallery and Sony A77 II Gallery.
Reasons to pick Sigma SD15 over the Sony A77 II
| SD15 | A77 II |
|---|
Reasons to pick Sony A77 II over the Sigma SD15
| A77 II | SD15 | |||
|---|---|---|---|---|
| Launched | May 2014 |  | February 2010 | More recent by 51 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display resolution | 1229k |  | 460k | Sharper display (+769k dot) |
| Selfie screen |  | Take selfies |
Common features in the Sigma SD15 and Sony A77 II
| SD15 | A77 II | |||
|---|---|---|---|---|
| Manual focus |  | More accurate focusing | ||
| Display dimensions | 3" |  | 3" | Equal display sizing |
| Touch friendly display |  | Neither comes with Touch friendly display |
Sigma SD15 vs Sony A77 II Physical Comparison
In case you're planning to lug around your camera frequently, you are going to need to take into account its weight and proportions. The Sigma SD15 comes with outer measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) whilst the Sony A77 II has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 647 grams (1.43 lbs).
Compare the Sigma SD15 and Sony A77 II in the new Camera and Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that moment. Below is a front view sizing comparison of the SD15 and the A77 II.
Taking into account size and weight, the portability rating of the SD15 and A77 II is 59 and 62 respectively.
Sigma SD15 vs Sony A77 II Sensor Comparison
Generally, it is hard to see the difference between sensor measurements purely by looking at a spec sheet. The graphic below might offer you a more clear sense of the sensor measurements in the SD15 and A77 II.
Clearly, the two cameras provide the same sensor dimensions but not the same resolution. You should expect to see the Sony A77 II to give you more detail having its extra 19 Megapixels. Greater resolution will allow you to crop photos more aggressively. The older SD15 is going to be disadvantaged when it comes to sensor tech.
Sigma SD15 vs Sony A77 II Screen and ViewFinder
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Sigma SD15 vs Sony A77 II Specifications
| Sigma SD15 | Sony SLT-A77 II | |
|---|---|---|
| General Information | ||
| Manufacturer | Sigma | Sony |
| Model type | Sigma SD15 | Sony SLT-A77 II |
| Class | Advanced DSLR | Advanced DSLR |
| Revealed | 2010-02-20 | 2014-05-21 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | True II | Bionz X |
| 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 |
| Max resolution | 2640 x 1760 | 6000 x 4000 |
| Max native ISO | 1600 | 25600 |
| Max enhanced ISO | 3200 | - |
| Min native ISO | 100 | 50 |
| RAW pictures | ||
| Min enhanced ISO | 50 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | - | 79 |
| Cross type focus points | - | 15 |
| Lens | ||
| Lens mount type | Sigma SA | Sony/Minolta Alpha |
| Total lenses | 76 | 143 |
| Crop factor | 1.7 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fully Articulated |
| Screen sizing | 3 inch | 3 inch |
| Resolution of screen | 460 thousand dot | 1,229 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 2,359 thousand dot |
| Viewfinder coverage | 96% | 100% |
| Viewfinder magnification | 0.6x | 0.73x |
| Features | ||
| Minimum shutter speed | 30 secs | 30 secs |
| Fastest shutter speed | 1/4000 secs | 1/8000 secs |
| Continuous shutter speed | 3.0 frames per sec | 12.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | - | 12.00 m (at ISO 100) |
| Flash settings | - | Auto, fill, rear sync, slow sync |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Fastest flash sync | 1/180 secs | 1/250 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | - | 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Max video resolution | None | 1920x1080 |
| Video data format | - | MPEG-4, AVCHD, XAVC S |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 750 grams (1.65 lbs) | 647 grams (1.43 lbs) |
| Physical dimensions | 144 x 107 x 81mm (5.7" x 4.2" x 3.2") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall rating | not tested | 82 |
| DXO Color Depth rating | not tested | 24.4 |
| DXO Dynamic range rating | not tested | 13.4 |
| DXO Low light rating | not tested | 1013 |
| Other | ||
| Battery life | - | 480 pictures |
| Battery format | - | Battery Pack |
| Battery ID | - | NP-FM500H |
| Self timer | Yes (10 sec) | Yes (Yes (2 or 12 sec)) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Launch price | $1,500 | $1,198 |
