Olympus E-M10 vs Sony A77 II
82 Imaging
52 Features
73 Overall
60
62 Imaging
64 Features
85 Overall
72
Olympus E-M10 vs Sony A77 II Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 396g - 119 x 82 x 46mm
- Released March 2014
- Later Model is Olympus E-M10 II
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 50 - 25600
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 647g - 143 x 104 x 81mm
- Introduced May 2014
- Replaced the Sony A77
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Its time to look closer at the Olympus E-M10 versus Sony A77 II, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Sony. There exists a noticeable gap between the sensor resolutions of the E-M10 (16MP) and A77 II (24MP) and the E-M10 (Four Thirds) and A77 II (APS-C) boast different sensor sizes.
Photography GlossaryThe E-M10 was unveiled 2 months before the A77 II so they are both of a similar age. Both cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.
Before getting straight to a more detailed comparison, here is a concise summation of how the E-M10 scores vs the A77 II in terms of portability, imaging, features and an overall rating.
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Below is a preview of the gallery images for Olympus OM-D E-M10 & Sony SLT-A77 II. The full galleries are viewable at Olympus E-M10 Gallery & Sony A77 II Gallery.
Reasons to pick Olympus E-M10 over the Sony A77 II
| E-M10 | A77 II | |||
|---|---|---|---|---|
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Sony A77 II over the Olympus E-M10
| A77 II | E-M10 | |||
|---|---|---|---|---|
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Screen resolution | 1229k |  | 1037k | Sharper screen (+192k dot) |
| Selfie screen |  | Take selfies |
Common features in the Olympus E-M10 and Sony A77 II
| E-M10 | A77 II | |||
|---|---|---|---|---|
| Introduced | March 2014 |  | May 2014 | Similar age |
| Focus manually |  | More accurate focus | ||
| Screen dimensions | 3" |  | 3" | Equal screen dimensions |
Olympus E-M10 vs Sony A77 II Physical Comparison
If you are planning to carry your camera, you're going to have to consider its weight and measurements. The Olympus E-M10 has external measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") with a weight of 396 grams (0.87 lbs) whilst the Sony A77 II has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).
See the Olympus E-M10 versus Sony A77 II in our newest Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will change based on the lens you have chosen at that time. Following is a front view measurements comparison of the E-M10 versus the A77 II.
Factoring in dimensions and weight, the portability grade of the E-M10 and A77 II is 82 and 62 respectively.
Olympus E-M10 vs Sony A77 II Sensor Comparison
Sometimes, it's tough to imagine the difference between sensor sizing simply by reading specs. The graphic here should offer you a far better sense of the sensor measurements in the E-M10 and A77 II.
All in all, each of the cameras have different megapixel count and different sensor sizing. The E-M10 using its tinier sensor is going to make shooting shallow DOF harder and the Sony A77 II will deliver extra detail having an extra 8 Megapixels. Higher resolution will also enable you to crop shots a bit more aggressively.
Olympus E-M10 vs Sony A77 II Screen and ViewFinder
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Olympus E-M10 vs Sony A77 II Specifications
| Olympus OM-D E-M10 | Sony SLT-A77 II | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Sony |
| Model type | Olympus OM-D E-M10 | Sony SLT-A77 II |
| Class | Entry-Level Mirrorless | Advanced DSLR |
| Released | 2014-03-18 | 2014-05-21 |
| Body design | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Chip | TruePic VII | Bionz X |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.3 x 13mm | 23.5 x 15.6mm |
| Sensor area | 224.9mm² | 366.6mm² |
| Sensor resolution | 16MP | 24MP |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Max resolution | 4608 x 3456 | 6000 x 4000 |
| Max native ISO | 25600 | 25600 |
| Minimum native ISO | 200 | 50 |
| RAW format | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 81 | 79 |
| Cross type focus points | - | 15 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony/Minolta Alpha |
| Amount of lenses | 107 | 143 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Range of screen | Tilting | Fully Articulated |
| Screen sizing | 3 inches | 3 inches |
| Resolution of screen | 1,037 thousand dot | 1,229 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Screen 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/s | 12.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 5.80 m (ISO100) | 12.00 m (at ISO 100) |
| 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, fill, rear sync, slow sync |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Max flash sync | 1/250 secs | 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 (30p), 1280 x 720 (30p), 640 x 480 (30 fps) | 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Max video resolution | 1920x1080 | 1920x1080 |
| Video file format | H.264, Motion JPEG | MPEG-4, AVCHD, XAVC S |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 396g (0.87 pounds) | 647g (1.43 pounds) |
| Physical 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 rating | 72 | 82 |
| DXO Color Depth rating | 22.8 | 24.4 |
| DXO Dynamic range rating | 12.3 | 13.4 |
| DXO Low light rating | 884 | 1013 |
| Other | ||
| Battery life | 320 pictures | 480 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | 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 (Yes (2 or 12 sec)) |
| Time lapse recording | ||
| Storage media | SD/SDHC/SDXC | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Pricing at release | $600 | $1,198 |