Olympus E-M10 IV vs Sony A7S
81 Imaging
62 Features
83 Overall
70
77 Imaging
60 Features
73 Overall
65
Olympus E-M10 IV vs Sony A7S Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Tilting Display
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Micro Four Thirds Mount
- 383g - 122 x 84 x 49mm
- Introduced August 2020
- Superseded the Olympus E-M10 III
(Full Review)
- 12MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 409600
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 489g - 127 x 94 x 48mm
- Announced April 2014
- Refreshed by Sony A7S II
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The following is a extensive assessment of the Olympus E-M10 IV and Sony A7S, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by manufacturers Olympus and Sony. There is a large difference among the image resolutions of the E-M10 IV (20MP) and A7S (12MP) and the E-M10 IV (Four Thirds) and A7S (Full frame) feature different sensor sizing.
Snapchat Adds Watermarks to AI-Created ImagesThe E-M10 IV was released 6 years after the A7S which is a fairly serious difference as far as camera tech is concerned. Both of these cameras come with the identical body type (SLR-style mirrorless).
Before delving in to a thorough comparison, below is a concise highlight of how the E-M10 IV matches up versus the A7S when considering portability, imaging, features and an overall mark.
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The following is a sample of the gallery pics for Olympus OM-D E-M10 IV & Sony Alpha A7S. The complete galleries are provided at Olympus E-M10 IV Gallery & Sony A7S Gallery.
Reasons to pick Olympus E-M10 IV over the Sony A7S
| E-M10 IV | A7S | |||
|---|---|---|---|---|
| Announced | August 2020 |  | April 2014 | Newer by 78 months |
| Selfie screen |  | Easy selfies | ||
| Touch display |  | Easily navigate |
Reasons to pick Sony A7S over the Olympus E-M10 IV
| A7S | E-M10 IV | |||
|---|---|---|---|---|
| Display resolution | 1230k |  | 1040k | Clearer display (+190k dot) |
Common features in the Olympus E-M10 IV and Sony A7S
| E-M10 IV | A7S | |||
|---|---|---|---|---|
| Manually focus |  | Very accurate focusing | ||
| Display type | Tilting |  | Tilting | Tilting display |
| Display dimension | 3" |  | 3" | Identical display measurement |
Olympus E-M10 IV vs Sony A7S Physical Comparison
For those who are going to travel with your camera regularly, you have to factor its weight and dimensions. The Olympus E-M10 IV comes with external measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") and a weight of 383 grams (0.84 lbs) whilst the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 489 grams (1.08 lbs).
Contrast the Olympus E-M10 IV and Sony A7S in our newest Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ based on the lens you use at that moment. The following is the front view size comparison of the E-M10 IV compared to the A7S.
Considering size and weight, the portability score of the E-M10 IV and A7S is 81 and 77 respectively.
Olympus E-M10 IV vs Sony A7S Sensor Comparison
In many cases, it's hard to imagine the difference in sensor dimensions purely by checking out specifications. The picture here might provide you a much better sense of the sensor sizing in the E-M10 IV and A7S.
Plainly, both the cameras posses different megapixel count and different sensor dimensions. The E-M10 IV because of its smaller sensor is going to make getting shallower DOF more difficult and the Olympus E-M10 IV will show more detail as a result of its extra 8 Megapixels. Greater resolution can also make it easier to crop images somewhat more aggressively. The more recent E-M10 IV should have an edge with regard to sensor technology.
Olympus E-M10 IV vs Sony A7S Screen and ViewFinder
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Olympus E-M10 IV vs Sony A7S Specifications
| Olympus OM-D E-M10 IV | Sony Alpha A7S | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Sony |
| Model | Olympus OM-D E-M10 IV | Sony Alpha A7S |
| Category | Entry-Level Mirrorless | Pro Mirrorless |
| Introduced | 2020-08-04 | 2014-04-06 |
| Body design | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Processor | TruePic VIII | Bionz X |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor dimensions | 17.4 x 13mm | 35.8 x 23.9mm |
| Sensor surface area | 226.2mm² | 855.6mm² |
| Sensor resolution | 20MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Highest Possible resolution | 5184 x 3888 | 4240 x 2832 |
| Maximum native ISO | 25600 | 409600 |
| Lowest native ISO | 200 | 100 |
| RAW support | ||
| Lowest enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| 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 | 25 |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony E |
| Available lenses | 107 | 121 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Range of display | Tilting | Tilting |
| Display sizing | 3" | 3" |
| Resolution of display | 1,040 thousand dot | 1,230 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dot | 2,359 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.62x | 0.71x |
| Features | ||
| Min shutter speed | 60 seconds | 30 seconds |
| Max shutter speed | 1/4000 seconds | 1/8000 seconds |
| Max quiet shutter speed | 1/16000 seconds | - |
| Continuous shutter speed | 8.7 frames per second | 5.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | 7.20 m (at ISO 200) | no built-in flash |
| Flash options | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | no built-in flash |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash sync | 1/250 seconds | - |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 24p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 50p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 30p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 25p / 52 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 24p / 52 Mbps, MOV, H.264, Linear PCM | 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps) |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC |
| Mic input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 383g (0.84 lb) | 489g (1.08 lb) |
| Dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 127 x 94 x 48mm (5.0" x 3.7" x 1.9") |
| DXO scores | ||
| DXO Overall score | not tested | 87 |
| DXO Color Depth score | not tested | 23.9 |
| DXO Dynamic range score | not tested | 13.2 |
| DXO Low light score | not tested | 3702 |
| Other | ||
| Battery life | 360 pictures | 360 pictures |
| Type of battery | Battery Pack | Battery Pack |
| Battery model | BLS-50 | NP-FW50 |
| Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse recording | With downloadable app | |
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Storage slots | Single | Single |
| Price at release | $699 | $1,998 |