Olympus E-M10 IV vs Sony a1
Portability
81 Imaging
62 Features
83 Overall
70
81 Imaging
62 Features
83 Overall
70
Portability
61 Imaging
81 Features
93 Overall
85
61 Imaging
81 Features
93 Overall
85
Olympus E-M10 IV vs Sony a1 Key Specs
Olympus E-M10 IV
(Full Review)
(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
- Announced August 2020
- Older Model is Olympus E-M10 III
Sony a1
(Full Review)
(Full Review)
- 50MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 32000 (Push to 102400)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 7680 x 4320 video
- Sony E Mount
- 737g - 129 x 97 x 70mm
- Announced January 2021
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On this page, we will be looking at the Olympus E-M10 IV versus Sony a1, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There is a crucial difference between the image resolutions of the E-M10 IV (20MP) and a1 (50MP) and the E-M10 IV (Four Thirds) and a1 (Full frame) have totally different sensor dimensions.
Photography GlossaryThe E-M10 IV was unveiled 5 months before the a1 and they are of a similar generation. Each of the cameras have the same body design (SLR-style mirrorless).
Before getting into a thorough comparison, here is a short highlight of how the E-M10 IV grades vs the a1 when it comes to portability, imaging, features and an overall mark.
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Following is a preview of the gallery images for Olympus OM-D E-M10 IV and Sony Alpha a1. The full galleries are provided at Olympus E-M10 IV Gallery and Sony a1 Gallery.
Reasons to pick Olympus E-M10 IV over the Sony a1
| E-M10 IV | a1 | |||
|---|---|---|---|---|
| Selfie screen |  | Take selfies |
Reasons to pick Sony a1 over the Olympus E-M10 IV
| a1 | E-M10 IV | |||
|---|---|---|---|---|
| Screen resolution | 1440k |  | 1040k | Sharper screen (+400k dot) |
Common features in the Olympus E-M10 IV and Sony a1
| E-M10 IV | a1 | |||
|---|---|---|---|---|
| Announced | August 2020 |  | January 2021 | Similar generation |
| Focus manually |  | Very exact focus | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimensions | 3" |  | 3" | Equal screen sizing |
| Touch friendly screen |  | Quickly navigate |
Olympus E-M10 IV vs Sony a1 Physical Comparison
If you are aiming to travel with your camera, you need to consider its weight and measurements. The Olympus E-M10 IV features 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) and the Sony a1 has proportions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") accompanied by a weight of 737 grams (1.62 lbs).
Look at the Olympus E-M10 IV versus Sony a1 in the latest Camera with Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at the time. Following is a front view sizing comparison of the E-M10 IV vs the a1.
Looking at size and weight, the portability rating of the E-M10 IV and a1 is 81 and 61 respectively.
Olympus E-M10 IV vs Sony a1 Sensor Comparison
In many cases, it is very tough to see the difference between sensor dimensions only by checking specs. The picture underneath will provide you a greater sense of the sensor measurements in the E-M10 IV and a1.
As you can plainly see, the two cameras provide different megapixel count and different sensor dimensions. The E-M10 IV having a tinier sensor will make shooting shallow depth of field more challenging and the Sony a1 will resolve extra detail having an extra 30MP. Higher resolution will also help you crop shots more aggressively.
Olympus E-M10 IV vs Sony a1 Screen and ViewFinder
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Portrait Comparison
Olympus E-M10 IV as a Portrait photography camera
Sony a1 as a Portrait photography camera
you can focus manually
decent megapixels (20MP)
good sensor size (Four Thirds)
supports face detection focusing
exports RAW formats
you can focus manually
high flash sync (1/400 seconds)
high MP (50 megapixels)
sensor size is big (Full frame)
supports face detection autofocus
exports RAW formats
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Street photography with Olympus E-M10 IV
Street photography with Sony a1
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW formats
provides touch to focus
good ISO range (25,600)
screen tilts
built in image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
exports RAW formats
has focus via touch
environment proofing
good high ISO (32,000)
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Olympus E-M10 IV Sports photography information
Sony a1 Sports photography information
silent shutter (1/16,000s)
built in image stabilization (Sensor based 5-axis)
decent megapixels (20 megapixels)
good sensor size (Four Thirds)
supports tracking autofocus
lack of phase detect AF
great max shutter speed (1/8,000 seconds)
quiet shooting (1/32,000 seconds)
high max fps (30.0 frames/s)
built in image stabilization (Sensor based 5-axis)
high MP (50 megapixels)
sensor size is big (Full frame)
supports tracking autofocus
environment proofing
great battery power (530 per charge)
has phase detect autofocus
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Olympus E-M10 IV Travel photography advice
Sony a1 Travel photography advice
has bluetooth
provides touch to focus
decent megapixels (20 megapixels)
flash built-in
selfie friendly screen
great battery power (530 per charge)
environment proofing
connects via bluetooth
has focus via touch
high MP (50 megapixels)
doesn't feature selfie friendly display
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Olympus E-M10 IV Landscape photography advice
Sony a1 Landscape photography advice
you can focus manually
change lenses (Micro Four Thirds mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based 5-axis)
decent megapixels (20MP)
good sensor size (Four Thirds)
good ISO range (25,600)
exports RAW formats
you can focus manually
interchangeable lenses (Sony E mount)
screen is a good size (3 inches)
built in image stabilization (Sensor based 5-axis)
high MP (50MP)
sensor size is big (Full frame)
good high ISO (32,000)
exports RAW formats
environment proofing
great battery power (530 shots)
has dual storage slots
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Olympus E-M10 IV as a Vlogging camera
Sony a1 as a Vlogging camera
selfie friendly screen
touch screen
built in image stabilization (Sensor based 5-axis)
supports face detection focusing
video resolution high (3840 x 2160 pxls)
missing external mic jack
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection autofocus
high res video (7680 x 4320 pxls)
has external microphone jack
doesn't feature selfie friendly display
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Olympus E-M10 IV vs Sony a1 Specifications
| Olympus OM-D E-M10 IV | Sony Alpha a1 | |
|---|---|---|
| General Information | ||
| Make | Olympus | Sony |
| Model type | Olympus OM-D E-M10 IV | Sony Alpha a1 |
| Class | Entry-Level Mirrorless | Pro Mirrorless |
| Announced | 2020-08-04 | 2021-01-26 |
| Body design | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | TruePic VIII | - |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor measurements | 17.4 x 13mm | 35.9 x 24mm |
| Sensor area | 226.2mm² | 861.6mm² |
| Sensor resolution | 20 megapixel | 50 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 8640 x 5760 |
| Maximum native ISO | 25600 | 32000 |
| Maximum boosted ISO | - | 102400 |
| Minimum native ISO | 200 | 100 |
| RAW images | ||
| Minimum boosted ISO | 100 | 50 |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 121 | 759 |
| Lens | ||
| Lens support | Micro Four Thirds | Sony E |
| Number of lenses | 107 | 133 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Range of display | Tilting | Tilting |
| Display size | 3 inches | 3 inches |
| Display resolution | 1,040 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 2,360 thousand dot | 9,437 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.62x | 0.9x |
| Features | ||
| Lowest shutter speed | 60 secs | 30 secs |
| Highest shutter speed | 1/4000 secs | 1/8000 secs |
| Highest quiet shutter speed | 1/16000 secs | 1/32000 secs |
| Continuous shooting speed | 8.7 frames per second | 30.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 7.20 m (at ISO 200) | no built-in flash |
| Flash settings | Redeye, fill-in, off, redeye slow-sync (1st-curtain), slow sync (1st-curtain), slow sync (2nd-curtain), manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| AEB | ||
| White balance bracketing | ||
| Highest flash sync | 1/250 secs | 1/400 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 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 | 7680x4320 (30p, 25p, 23.98) |
| Maximum video resolution | 3840x2160 | 7680x4320 |
| Video file format | MPEG-4, H.264 | XAVC S, XAVC HS, H.264, H.265 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | Yes |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 383g (0.84 lb) | 737g (1.62 lb) |
| Physical dimensions | 122 x 84 x 49mm (4.8" x 3.3" x 1.9") | 129 x 97 x 70mm (5.1" x 3.8" x 2.8") |
| DXO scores | ||
| DXO All around rating | not tested | not tested |
| DXO Color Depth rating | not tested | not tested |
| DXO Dynamic range rating | not tested | not tested |
| DXO Low light rating | not tested | not tested |
| Other | ||
| Battery life | 360 shots | 530 shots |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | NP-FZ100 |
| Self timer | Yes (2 or 12 sec, custom) | Yes |
| Time lapse recording | ||
| Storage media | SD/SDHC/SDXC (UHS-II supported) | Dual SD/CFexpress Type A slots (UHS-II supported) |
| Storage slots | Single | 2 |
| Retail cost | $699 | $6,498 |