Olympus E-M5 III vs Sony A99
80 Imaging
62 Features
88 Overall
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57 Imaging
70 Features
88 Overall
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Olympus E-M5 III vs Sony A99 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Introduced October 2019
- Old Model is Olympus E-M5 II
- Renewed by OM System OM-5
(Full Review)
- 24MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 100 - 25600
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 812g - 147 x 111 x 78mm
- Launched December 2012
- Replaced the Sony A900
- Renewed by Sony A99 II
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In this article, we are looking at the Olympus E-M5 III and Sony A99, former is a Advanced Mirrorless while the other is a Advanced DSLR by manufacturers Olympus and Sony. The image resolution of the E-M5 III (20MP) and the A99 (24MP) is fairly comparable but the E-M5 III (Four Thirds) and A99 (Full frame) possess totally different sensor sizing.
Sora from OpenAI releases its first ever music videoThe E-M5 III was announced 6 years after the A99 which is a fairly serious difference as far as camera tech is concerned. Both of these cameras offer different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.
Before we go through a step-by-step comparison, below is a brief introduction of how the E-M5 III matches up versus the A99 when it comes to portability, imaging, features and an overall mark.
Body cameras now worn by bakery staff to deter stealing Olympus E-M5 III vs Sony A99 Gallery
This is a sample of the gallery pictures for Olympus OM-D E-M5 III & Sony SLT-A99. The whole galleries are viewable at Olympus E-M5 III Gallery & Sony A99 Gallery.
Reasons to pick Olympus E-M5 III over the Sony A99
| E-M5 III | A99 | |||
|---|---|---|---|---|
| Launched | October 2019 |  | December 2012 | Newer by 84 months |
| Touch friendly display |  | Easily navigate |
Reasons to pick Sony A99 over the Olympus E-M5 III
| A99 | E-M5 III | |||
|---|---|---|---|---|
| Display resolution | 1229k |  | 1040k | Sharper display (+189k dot) |
Common features in the Olympus E-M5 III and Sony A99
| E-M5 III | A99 | |||
|---|---|---|---|---|
| Manually focus |  | More precise focus | ||
| Display type | Fully Articulated |  | Fully Articulated | Fully Articulated display |
| Display sizing | 3" |  | 3" | Equivalent display measurement |
| Selfie screen |  | Both are selfie friendly |
Olympus E-M5 III vs Sony A99 Physical Comparison
In case you're looking to travel with your camera, you have to take into account its weight and dimensions. The Olympus E-M5 III has external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) whilst the Sony A99 has dimensions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") having a weight of 812 grams (1.79 lbs).
Examine the Olympus E-M5 III and Sony A99 in our newest 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 physical size comparison of the E-M5 III against the A99.
Looking at size and weight, the portability rating of the E-M5 III and A99 is 80 and 57 respectively.
Olympus E-M5 III vs Sony A99 Sensor Comparison
Usually, it is very difficult to envision the contrast in sensor dimensions just by seeing a spec sheet. The pic here might offer you a far better sense of the sensor measurements in the E-M5 III and A99.
Clearly, both cameras enjoy different megapixels and different sensor dimensions. The E-M5 III using its smaller sensor will make achieving shallower DOF trickier and the Sony A99 will provide extra detail with its extra 4MP. Greater resolution will also enable you to crop photos far more aggressively. The fresher E-M5 III is going to have an edge in sensor technology.
Olympus E-M5 III vs Sony A99 Screen and ViewFinder
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Olympus E-M5 III vs Sony A99 Specifications
| Olympus OM-D E-M5 III | Sony SLT-A99 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Sony |
| Model | Olympus OM-D E-M5 III | Sony SLT-A99 |
| Type | Advanced Mirrorless | Advanced DSLR |
| Introduced | 2019-10-17 | 2012-12-12 |
| Body design | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Chip | TruePic VIII | Bionz |
| Sensor type | MOS | CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.4 x 13mm | 35.8 x 23.8mm |
| Sensor area | 226.2mm² | 852.0mm² |
| Sensor resolution | 20MP | 24MP |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Full resolution | 5184 x 3888 | 6000 x 4000 |
| Max native ISO | 25600 | 25600 |
| Min native ISO | 200 | 100 |
| RAW data | ||
| Min boosted ISO | 64 | - |
| Autofocusing | ||
| Manual focus | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Number of focus points | 121 | 19 |
| Cross focus points | - | 11 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony/Minolta Alpha |
| Amount of lenses | 107 | 143 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Range of display | Fully Articulated | Fully Articulated |
| Display diagonal | 3" | 3" |
| Resolution of display | 1,040k dot | 1,229k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display technology | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360k dot | 2,359k dot |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.68x | 0.71x |
| Features | ||
| Slowest shutter speed | 60 secs | 30 secs |
| Maximum shutter speed | 1/8000 secs | 1/8000 secs |
| Maximum quiet shutter speed | 1/32000 secs | - |
| Continuous shooting speed | 30.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash options | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash sync | 1/250 secs | 1/250 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Max video resolution | 4096x2160 | 1920x1080 |
| Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 414 grams (0.91 lbs) | 812 grams (1.79 lbs) |
| Dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 147 x 111 x 78mm (5.8" x 4.4" x 3.1") |
| DXO scores | ||
| DXO All around score | not tested | 89 |
| DXO Color Depth score | not tested | 25.0 |
| DXO Dynamic range score | not tested | 14.0 |
| DXO Low light score | not tested | 1555 |
| Other | ||
| Battery life | 310 photos | 500 photos |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | BLN-1 | NP-FM500H |
| Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage media | SD/SDHC/SDXC (UHS-II supported) | Memory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC |
| Storage slots | One | Dual |
| Retail price | $1,199 | $1,998 |
