Olympus E-M5 III vs Sony A58
80 Imaging
60 Features
88 Overall
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68 Imaging
61 Features
72 Overall
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Olympus E-M5 III vs Sony A58 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Released October 2019
- Replaced the Olympus E-M5 II
- Successor is OM System OM-5
(Full Review)
- 20MP - APS-C Sensor
- 2.7" Tilting Screen
- ISO 100 - 16000 (Push to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 492g - 129 x 95 x 78mm
- Revealed November 2013
- Old Model is Sony A57
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Following is a complete overview of the Olympus E-M5 III versus Sony A58, former is a Advanced Mirrorless while the latter is a Entry-Level DSLR by competitors Olympus and Sony. The sensor resolution of the E-M5 III (20MP) and the A58 (20MP) is pretty comparable but the E-M5 III (Four Thirds) and A58 (APS-C) provide different sensor measurements.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe E-M5 III was launched 5 years after the A58 which is a fairly serious difference as far as camera tech is concerned. Both cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A58 being a Compact SLR camera.
Before diving right into a thorough comparison, here is a simple summation of how the E-M5 III scores versus the A58 in terms of portability, imaging, features and an overall score.
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The following is a preview of the gallery images for Olympus OM-D E-M5 III & Sony SLT-A58. The complete galleries are available at Olympus E-M5 III Gallery & Sony A58 Gallery.
Reasons to pick Olympus E-M5 III over the Sony A58
| E-M5 III | A58 | |||
|---|---|---|---|---|
| Revealed | October 2019 | November 2013 | More modern by 72 months | |
| Screen type | Fully Articulated | Tilting | Fully Articulating screen | |
| Screen size | 3" | 2.7" | Bigger screen (+0.3") | |
| Screen resolution | 1040k | 460k | Clearer screen (+580k dot) | |
| Selfie screen | Take selfies | |||
| Touch friendly screen | Quickly navigate |
Reasons to pick Sony A58 over the Olympus E-M5 III
| A58 | E-M5 III |
|---|
Common features in the Olympus E-M5 III and Sony A58
| E-M5 III | A58 | |||
|---|---|---|---|---|
| Manual focus | Very precise focusing |
Olympus E-M5 III vs Sony A58 Physical Comparison
For those who are planning to carry around your camera frequently, you need to take into account its weight and volume. The Olympus E-M5 III offers outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) and the Sony A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") accompanied by a weight of 492 grams (1.08 lbs).
See the Olympus E-M5 III versus Sony A58 in our newest Camera & Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will differ depending on the lens you have attached at that time. Underneath is a front view overall size comparison of the E-M5 III and the A58.

Looking at size and weight, the portability grade of the E-M5 III and A58 is 80 and 68 respectively.
Olympus E-M5 III vs Sony A58 Sensor Comparison
Generally, it is tough to imagine the contrast in sensor sizes merely by seeing specs. The picture below should offer you a greater sense of the sensor sizes in the E-M5 III and A58.
All in all, both cameras feature the identical resolution albeit different sensor sizes. The E-M5 III comes with the smaller sensor which is going to make getting bokeh more difficult. The newer E-M5 III should have an edge with regard to sensor innovation.
Olympus E-M5 III vs Sony A58 Screen and ViewFinder
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Olympus E-M5 III vs Sony A58 Specifications
| Olympus OM-D E-M5 III | Sony SLT-A58 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Sony |
| Model | Olympus OM-D E-M5 III | Sony SLT-A58 |
| Type | Advanced Mirrorless | Entry-Level DSLR |
| Released | 2019-10-17 | 2013-11-27 |
| Body design | SLR-style mirrorless | Compact SLR |
| Sensor Information | ||
| Processor | TruePic VIII | - |
| Sensor type | MOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor dimensions | 17.4 x 13mm | 23.2 x 15.4mm |
| Sensor surface area | 226.2mm² | 357.3mm² |
| Sensor resolution | 20 megapixels | 20 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | - |
| Highest resolution | 5184 x 3888 | 5456 x 3632 |
| Highest native ISO | 25600 | 16000 |
| Highest boosted ISO | - | 25600 |
| Lowest native ISO | 200 | 100 |
| RAW format | ||
| Lowest boosted ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Number of focus points | 121 | 15 |
| Cross focus points | - | 3 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony/Minolta Alpha |
| Available lenses | 107 | 143 |
| Crop factor | 2.1 | 1.6 |
| Screen | ||
| Display type | Fully Articulated | Tilting |
| Display size | 3 inches | 2.7 inches |
| Resolution of display | 1,040 thousand dot | 460 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dot | 1,440 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.68x | 0.65x |
| Features | ||
| Slowest shutter speed | 60 secs | 30 secs |
| Maximum shutter speed | 1/8000 secs | 1/4000 secs |
| Maximum quiet shutter speed | 1/32000 secs | - |
| Continuous shooting speed | 30.0 frames/s | 8.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 10.00 m (@ ISO 100) |
| Flash settings | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | - |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Maximum flash sync | 1/250 secs | 1/160 secs |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 |
| Highest video resolution | 4096x2160 | 1920x1080 |
| Video data format | MPEG-4, H.264 | 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 | None | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 414g (0.91 pounds) | 492g (1.08 pounds) |
| Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 129 x 95 x 78mm (5.1" x 3.7" x 3.1") |
| DXO scores | ||
| DXO All around score | not tested | 74 |
| DXO Color Depth score | not tested | 23.3 |
| DXO Dynamic range score | not tested | 12.5 |
| DXO Low light score | not tested | 753 |
| Other | ||
| Battery life | 310 shots | 690 shots |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | BLN-1 | NP-FM500H |
| Self timer | Yes (2 or 10 secs, custom) | - |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Storage slots | Single | Single |
| Price at launch | $1,199 | $645 |