Olympus E-M1 III vs Sony A7S III
67 Imaging
62 Features
96 Overall
75
61 Imaging
65 Features
92 Overall
75
Olympus E-M1 III vs Sony A7S III Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Launched February 2020
- Succeeded the Olympus E-M1 II
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 80 - 102400 (Expand to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Launched July 2020
- Succeeded the Sony A7S II
Olympus E-M1 III vs Sony A7S III Overview
Below is a complete review of the Olympus E-M1 III versus Sony A7S III, both Pro Mirrorless cameras by companies Olympus and Sony. There exists a huge gap among the resolutions of the E-M1 III (20MP) and A7S III (12MP) and the E-M1 III (Four Thirds) and A7S III (Full frame) feature different sensor size.
Ulanzi's Tripod Ensures Ultra Smooth FilmingThe E-M1 III was unveiled 5 months earlier than the A7S III so they are both of a similar generation. The two cameras come with the identical body type (SLR-style mirrorless).
Before getting through a complete comparison, below is a quick summary of how the E-M1 III grades versus the A7S III in terms of portability, imaging, features and an overall grade.
Olympus E-M1 III vs Sony A7S III Gallery
Following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Sony Alpha A7S III. The full galleries are available at Olympus E-M1 III Gallery and Sony A7S III Gallery.
Reasons to pick Olympus E-M1 III over the Sony A7S III
E-M1 III | A7S III |
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Reasons to pick Sony A7S III over the Olympus E-M1 III
A7S III | E-M1 III | |||
---|---|---|---|---|
Display resolution | 1440k | 1037k | Sharper display (+403k dot) |
Common features in the Olympus E-M1 III and Sony A7S III
E-M1 III | A7S III | |||
---|---|---|---|---|
Launched | February 2020 | July 2020 | Same generation | |
Manually focus | More precise focus | |||
Display type | Fully Articulated | Fully articulated | Fully Articulated display | |
Display dimension | 3" | 3" | Identical display size | |
Selfie screen | Both good for selfies | |||
Touch friendly display | Easily navigate |
Olympus E-M1 III vs Sony A7S III Physical Comparison
For anyone who is looking to lug around your camera often, you'll have to factor in its weight and dimensions. The Olympus E-M1 III features exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs).
Take a look at the Olympus E-M1 III versus Sony A7S III in the all new Camera with Lens Size Comparison Tool.Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that time. Below is the front view overall size comparison of the E-M1 III compared to the A7S III.
Taking into account dimensions and weight, the portability rating of the E-M1 III and A7S III is 67 and 61 respectively.
Olympus E-M1 III vs Sony A7S III Sensor Comparison
Sometimes, its hard to imagine the gap in sensor measurements purely by going through a spec sheet. The photograph underneath should provide you a more clear sense of the sensor measurements in the E-M1 III and A7S III.
As you can see, both of these cameras posses different megapixel count and different sensor measurements. The E-M1 III using its smaller sensor is going to make shooting shallower DOF trickier and the Olympus E-M1 III will show more detail having an extra 8MP. Greater resolution will also help you crop pics somewhat more aggressively.
Olympus E-M1 III vs Sony A7S III Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Olympus E-M1 III vs Sony A7S III Specifications
Olympus OM-D E-M1 Mark III | Sony Alpha A7S III | |
---|---|---|
General Information | ||
Brand | Olympus | Sony |
Model | Olympus OM-D E-M1 Mark III | Sony Alpha A7S III |
Category | Pro Mirrorless | Pro Mirrorless |
Launched | 2020-02-11 | 2020-07-21 |
Physical type | SLR-style mirrorless | SLR-style mirrorless |
Sensor Information | ||
Processor Chip | TruePic IX | Bionz XR |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Four Thirds | Full frame |
Sensor dimensions | 17.4 x 13mm | 35.6 x 23.8mm |
Sensor area | 226.2mm² | 847.3mm² |
Sensor resolution | 20 megapixel | 12 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 and 16:9 |
Maximum resolution | 5184 x 3888 | 4240 x 2832 |
Maximum native ISO | 25600 | 102400 |
Maximum boosted ISO | - | 409600 |
Min native ISO | 200 | 80 |
RAW support | ||
Min boosted ISO | 64 | 50 |
Autofocusing | ||
Manual focus | ||
Touch to focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | 121 | 759 |
Cross focus points | 121 | - |
Lens | ||
Lens mount | Micro Four Thirds | Sony E |
Total lenses | 107 | 121 |
Focal length multiplier | 2.1 | 1 |
Screen | ||
Screen type | Fully Articulated | Fully articulated |
Screen diagonal | 3 inches | 3 inches |
Screen resolution | 1,037 thousand dots | 1,440 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | Electronic | Electronic |
Viewfinder resolution | 2,360 thousand dots | 9,440 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.74x | 0.91x |
Features | ||
Slowest shutter speed | 60 secs | 30 secs |
Maximum shutter speed | 1/8000 secs | 1/8000 secs |
Maximum silent shutter speed | 1/32000 secs | - |
Continuous shooting rate | 60.0 frames per sec | 10.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | no built-in flash |
Flash modes | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | no built-in flash |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash synchronize | 1/250 secs | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 4096x2160 | 3840x2160 |
Video format | MPEG-4, H.264 | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 3.2 Gen 1 (5 GBit/sec) |
GPS | None | None |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 580g (1.28 lb) | 699g (1.54 lb) |
Dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") |
DXO scores | ||
DXO All around score | not tested | 85 |
DXO Color Depth score | not tested | 23.6 |
DXO Dynamic range score | not tested | 13.3 |
DXO Low light score | not tested | 2993 |
Other | ||
Battery life | 420 photos | 600 photos |
Battery style | Battery Pack | Battery Pack |
Battery model | BLH-1 | NP-FZ100 |
Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse feature | With downloadable app | |
Storage type | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | Dual SD/CFexpress Type A slots |
Card slots | Two | Two |
Launch pricing | $1,800 | $3,499 |