Olympus E-M10 vs Sony A77
82 Imaging
52 Features
73 Overall
60
59 Imaging
63 Features
83 Overall
71
Olympus E-M10 vs Sony A77 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 396g - 119 x 82 x 46mm
- Released March 2014
- Updated by Olympus E-M10 II
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 50 - 16000 (Expand 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
- Earlier Model is Sony A700
- Successor is Sony A77 II
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Below is a extensive overview of the Olympus E-M10 vs Sony A77, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by competitors Olympus and Sony. There is a considerable difference between the sensor resolutions of the E-M10 (16MP) and A77 (24MP) and the E-M10 (Four Thirds) and A77 (APS-C) come with different sensor sizes.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-M10 was revealed 2 years later than the A77 and that is quite a large difference as far as tech is concerned. Both cameras offer different body type with the Olympus E-M10 being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.
Before delving straight into a comprehensive comparison, below is a short view of how the E-M10 grades against the A77 when it comes to portability, imaging, features and an overall grade.
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The following is a preview of the gallery images for Olympus OM-D E-M10 & Sony SLT-A77. The full galleries are viewable at Olympus E-M10 Gallery & Sony A77 Gallery.
Reasons to pick Olympus E-M10 over the Sony A77
| E-M10 | A77 | |||
|---|---|---|---|---|
| Introduced | March 2014 |  | October 2011 | More recent by 30 months |
| Screen resolution | 1037k |  | 921k | Clearer screen (+116k dot) |
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Sony A77 over the Olympus E-M10
| A77 | E-M10 | |||
|---|---|---|---|---|
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Selfie screen |  | Easy selfies |
Common features in the Olympus E-M10 and Sony A77
| E-M10 | A77 | |||
|---|---|---|---|---|
| Focus manually |  | More accurate focus | ||
| Screen sizing | 3" |  | 3" | Equivalent screen dimensions |
Olympus E-M10 vs Sony A77 Physical Comparison
If you're looking to lug around your camera frequently, you have to factor its weight and volume. The Olympus E-M10 comes with outside dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") and a weight of 396 grams (0.87 lbs) and the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).
See the Olympus E-M10 vs Sony A77 in our brand new Camera & Lens Size Comparison Tool.
Remember, the weight of an ILC will differ dependant on the lens you are employing at the time. Following is the front view measurements comparison of the E-M10 compared to the A77.
Considering size and weight, the portability rating of the E-M10 and A77 is 82 and 59 respectively.
Olympus E-M10 vs Sony A77 Sensor Comparison
Often, it can be tough to picture the difference between sensor measurements purely by reviewing a spec sheet. The photograph below will offer you a more clear sense of the sensor sizes in the E-M10 and A77.
Clearly, the 2 cameras enjoy different resolutions and different sensor measurements. The E-M10 having a tinier sensor is going to make achieving shallow DOF trickier and the Sony A77 will offer you extra detail because of its extra 8 Megapixels. Higher resolution will help you crop photographs far more aggressively. The newer E-M10 should have an advantage when it comes to sensor innovation.
Olympus E-M10 vs Sony A77 Screen and ViewFinder
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Olympus E-M10 vs Sony A77 Specifications
| Olympus OM-D E-M10 | Sony SLT-A77 | |
|---|---|---|
| General Information | ||
| Make | Olympus | Sony |
| Model | Olympus OM-D E-M10 | Sony SLT-A77 |
| Category | Entry-Level Mirrorless | Advanced DSLR |
| Released | 2014-03-18 | 2011-10-25 |
| Body design | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Chip | TruePic VII | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.5 x 15.6mm |
| Sensor surface area | 224.9mm² | 366.6mm² |
| Sensor resolution | 16 megapixels | 24 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Peak resolution | 4608 x 3456 | 6000 x 4000 |
| Highest native ISO | 25600 | 16000 |
| Highest enhanced ISO | - | 25600 |
| Minimum native ISO | 200 | 50 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 81 | 19 |
| Cross focus points | - | 11 |
| Lens | ||
| Lens mount | Micro Four Thirds | Sony/Minolta Alpha |
| Amount of lenses | 107 | 143 |
| Focal length multiplier | 2.1 | 1.5 |
| Screen | ||
| Range of display | Tilting | Fully Articulated |
| Display size | 3 inches | 3 inches |
| Resolution of display | 1,037 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Display technology | TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 1,440 thousand dot | 2,359 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.58x | 0.73x |
| Features | ||
| Min shutter speed | 60 secs | 30 secs |
| Max shutter speed | 1/4000 secs | 1/8000 secs |
| Continuous shutter speed | 8.0 frames per second | 12.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 5.80 m (ISO100) | 12.00 m |
| Flash settings | Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual（1/1（FULL）～1/64） | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Max flash sync | 1/250 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 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Highest video resolution | 1920x1080 | 1920x1080 |
| Video file format | H.264, Motion JPEG | MPEG-4, AVCHD, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | BuiltIn |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 396g (0.87 lb) | 732g (1.61 lb) |
| Dimensions | 119 x 82 x 46mm (4.7" x 3.2" x 1.8") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall score | 72 | 78 |
| DXO Color Depth score | 22.8 | 24.0 |
| DXO Dynamic range score | 12.3 | 13.2 |
| DXO Low light score | 884 | 801 |
| Other | ||
| Battery life | 320 photos | 470 photos |
| Battery form | Battery Pack | Battery Pack |
| Battery model | BLS-5 | NP-FM500H |
| Self timer | Yes (12 sec., 2 sec.,custom (Waiting time 1-30sec.,Shooting interval 0.5/1/2/3sec.,Number of shots 1-10)) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Retail cost | $600 | $900 |