Olympus E-M10 III vs Sony A9 II
80 Imaging
55 Features
75 Overall
63
62 Imaging
75 Features
93 Overall
82
Olympus E-M10 III vs Sony A9 II Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 410g - 122 x 84 x 50mm
- Introduced August 2017
- Old Model is Olympus E-M10 II
- Updated by Olympus E-M10 IV
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Boost to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Introduced October 2019
- Replaced the Sony A9
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Below is a in depth review of the Olympus E-M10 III and Sony A9 II, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by brands Olympus and Sony. There exists a noticeable gap between the resolutions of the E-M10 III (16MP) and A9 II (24MP) and the E-M10 III (Four Thirds) and A9 II (Full frame) posses totally different sensor dimensions.
Photography GlossaryThe E-M10 III was unveiled 3 years prior to the A9 II and that is quite a sizable difference as far as technology is concerned. Both of these cameras feature the same body design (SLR-style mirrorless).
Before getting into a complete comparison, here is a short overview of how the E-M10 III scores against the A9 II for portability, imaging, features and an overall grade.
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This is a preview of the gallery photos for Olympus OM-D E-M10 Mark III & Sony Alpha A9 Mark II. The full galleries are viewable at Olympus E-M10 III Gallery & Sony A9 II Gallery.
Reasons to pick Olympus E-M10 III over the Sony A9 II
| E-M10 III | A9 II |
|---|
Reasons to pick Sony A9 II over the Olympus E-M10 III
| A9 II | E-M10 III | |||
|---|---|---|---|---|
| Introduced | October 2019 |  | August 2017 | More recent by 25 months |
| Screen resolution | 1440k |  | 1040k | Sharper screen (+400k dot) |
Common features in the Olympus E-M10 III and Sony A9 II
| E-M10 III | A9 II | |||
|---|---|---|---|---|
| Manually focus |  | Very precise focus | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen size | 3" |  | 3" | Same screen sizing |
| Selfie screen |  | No selfie screen | ||
| Touch screen |  | Quickly navigate |
Olympus E-M10 III vs Sony A9 II Physical Comparison
When you are looking to lug around your camera, you will need to think about its weight and size. The Olympus E-M10 III provides external measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") along with a weight of 410 grams (0.90 lbs) whilst the Sony A9 II has specifications of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") along with a weight of 678 grams (1.49 lbs).
Compare the Olympus E-M10 III and Sony A9 II in our completely new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change dependant on the lens you select at that moment. Below is a front view proportions comparison of the E-M10 III compared to the A9 II.
Factoring in dimensions and weight, the portability rating of the E-M10 III and A9 II is 80 and 62 respectively.
Olympus E-M10 III vs Sony A9 II Sensor Comparison
Normally, its tough to envision the contrast between sensor measurements just by going over specifications. The photograph below will offer you a much better sense of the sensor measurements in the E-M10 III and A9 II.
To sum up, both of those cameras feature different megapixels and different sensor measurements. The E-M10 III having a tinier sensor will make getting shallow DOF trickier and the Sony A9 II will deliver extra detail having an extra 8MP. Higher resolution will let you crop photographs way more aggressively. The older E-M10 III is going to be disadvantaged in sensor technology.
Olympus E-M10 III vs Sony A9 II Screen and ViewFinder
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Olympus E-M10 III vs Sony A9 II Specifications
| Olympus OM-D E-M10 Mark III | Sony Alpha A9 Mark II | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model | Olympus OM-D E-M10 Mark III | Sony Alpha A9 Mark II |
| Class | Entry-Level Mirrorless | Pro Mirrorless |
| Introduced | 2017-08-31 | 2019-10-03 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | TruePic VIII | BIONZ X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.4 x 13mm | 35.6 x 23.8mm |
| Sensor surface area | 226.2mm² | 847.3mm² |
| Sensor resolution | 16 megapixel | 24 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Highest Possible resolution | 4608 x 3456 | 6000 x 4000 |
| Maximum native ISO | 25600 | 51200 |
| Maximum enhanced ISO | - | 204800 |
| Min native ISO | 200 | 100 |
| RAW format | ||
| Min enhanced ISO | 100 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 121 | 693 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony E |
| Number of lenses | 107 | 121 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Type of display | Tilting | Tilting |
| Display diagonal | 3 inches | 3 inches |
| Resolution of display | 1,040 thousand dots | 1,440 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dots | 3,686 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.62x | 0.78x |
| Features | ||
| Minimum shutter speed | 60 secs | 30 secs |
| Fastest shutter speed | 1/4000 secs | 1/8000 secs |
| Fastest quiet shutter speed | 1/16000 secs | 1/32000 secs |
| Continuous shutter rate | 8.6 frames per second | 20.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 5.80 m (at ISO 100) | no built-in flash |
| Flash options | Auto, redeye, slow sync, 2nd-curtain slow sync, redeye slow sync, fill-in, manual, off | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Fastest 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 | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 410 gr (0.90 pounds) | 678 gr (1.49 pounds) |
| Physical dimensions | 122 x 84 x 50mm (4.8" x 3.3" x 2.0") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
| DXO scores | ||
| DXO Overall score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | 330 shots | 690 shots |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | BLS-50 | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC (UHS-I/II supported) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Card slots | 1 | 2 |
| Retail pricing | $650 | $4,498 |