Olympus E-M1 III vs Pentax MX-1
67 Imaging
61 Features
96 Overall
75
84 Imaging
37 Features
60 Overall
46
Olympus E-M1 III vs Pentax MX-1 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 Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 580g - 134 x 91 x 69mm
- Launched February 2020
- Older Model is Olympus E-M1 II
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Tilting Screen
- ISO 100 - 12800
- Sensor-shift Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- 28-112mm (F1.8-2.5) lens
- 391g - 122 x 61 x 51mm
- Introduced July 2013
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Here, we will be reviewing the Olympus E-M1 III versus Pentax MX-1, former being a Pro Mirrorless while the latter is a Small Sensor Compact by manufacturers Olympus and Pentax. There exists a considerable gap among the resolutions of the E-M1 III (20MP) and MX-1 (12MP) and the E-M1 III (Four Thirds) and MX-1 (1/1.7") posses different sensor measurements.
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe E-M1 III was announced 6 years later than the MX-1 and that is a fairly large difference as far as camera technology is concerned. Both of the cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax MX-1 being a Compact camera.
Before getting straight to a in depth comparison, here is a concise highlight of how the E-M1 III matches up against the MX-1 when considering portability, imaging, features and an overall rating.
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Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Pentax MX-1. The whole galleries are viewable at Olympus E-M1 III Gallery & Pentax MX-1 Gallery.
Reasons to pick Olympus E-M1 III over the Pentax MX-1
| E-M1 III | MX-1 | |||
|---|---|---|---|---|
| Introduced | February 2020 | July 2013 | Fresher by 81 months | |
| Screen type | Fully Articulated | Tilting | Fully Articulating screen | |
| Screen resolution | 1037k | 920k | Crisper screen (+117k dot) | |
| Selfie screen | Take selfies | |||
| Touch friendly screen | Quickly navigate |
Reasons to pick Pentax MX-1 over the Olympus E-M1 III
| MX-1 | E-M1 III |
|---|
Common features in the Olympus E-M1 III and Pentax MX-1
| E-M1 III | MX-1 | |||
|---|---|---|---|---|
| Manually focus | Dial exact focus | |||
| Screen size | 3" | 3" | Same screen measurements |
Olympus E-M1 III vs Pentax MX-1 Physical Comparison
For those who are looking to carry your camera frequently, you'll have to take into account its weight and proportions. The Olympus E-M1 III comes with outside measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) and the Pentax MX-1 has measurements of 122mm x 61mm x 51mm (4.8" x 2.4" x 2.0") accompanied by a weight of 391 grams (0.86 lbs).
See the Olympus E-M1 III versus Pentax MX-1 in our newest Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will differ dependant on the lens you select at the time. The following is a front view proportions comparison of the E-M1 III against the MX-1.

Taking into consideration dimensions and weight, the portability score of the E-M1 III and MX-1 is 67 and 84 respectively.
Olympus E-M1 III vs Pentax MX-1 Sensor Comparison
Normally, it can be tough to picture the gap in sensor sizing simply by looking through specs. The photograph here might give you a far better sense of the sensor measurements in the E-M1 III and MX-1.
As you can plainly see, the two cameras come with different megapixels and different sensor sizing. The E-M1 III using its bigger sensor is going to make getting shallow depth of field easier and the Olympus E-M1 III will result in greater detail with its extra 8MP. Higher resolution can also let you crop shots a good deal more aggressively. The younger E-M1 III provides an advantage with regard to sensor innovation.
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Olympus E-M1 III vs Pentax MX-1 Specifications
| Olympus OM-D E-M1 Mark III | Pentax MX-1 | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Pentax |
| Model type | Olympus OM-D E-M1 Mark III | Pentax MX-1 |
| Class | Pro Mirrorless | Small Sensor Compact |
| Launched | 2020-02-11 | 2013-07-01 |
| Physical type | SLR-style mirrorless | Compact |
| Sensor Information | ||
| Powered by | TruePic IX | - |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | 1/1.7" |
| Sensor measurements | 17.4 x 13mm | 7.44 x 5.58mm |
| Sensor surface area | 226.2mm² | 41.5mm² |
| Sensor resolution | 20 megapixel | 12 megapixel |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 4:3, 3:2 and 16:9 |
| Maximum resolution | 5184 x 3888 | 4000 x 3000 |
| Maximum native ISO | 25600 | 12800 |
| Minimum native ISO | 200 | 100 |
| RAW pictures | ||
| Minimum boosted ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 121 | 25 |
| Cross type focus points | 121 | - |
| Lens | ||
| Lens support | Micro Four Thirds | fixed lens |
| Lens zoom range | - | 28-112mm (4.0x) |
| Max aperture | - | f/1.8-2.5 |
| Macro focusing distance | - | 1cm |
| Number of lenses | 107 | - |
| Focal length multiplier | 2.1 | 4.8 |
| Screen | ||
| Screen type | Fully Articulated | Tilting |
| Screen diagonal | 3 inch | 3 inch |
| Screen resolution | 1,037 thousand dots | 920 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen tech | - | TFT LCD with AR coating |
| Viewfinder Information | ||
| Viewfinder | Electronic | None |
| Viewfinder resolution | 2,360 thousand dots | - |
| Viewfinder coverage | 100% | - |
| Viewfinder magnification | 0.74x | - |
| Features | ||
| Lowest shutter speed | 60s | 30s |
| Highest shutter speed | 1/8000s | 1/8000s |
| Highest silent shutter speed | 1/32000s | - |
| Continuous shooting rate | 60.0fps | 1.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 12.00 m |
| Flash options | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Auto, On, Off, Red-Eye, Fill-in, Slow Speed sync, Trailing Curtain sync |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash synchronize | 1/250s | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| 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 | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) |
| Maximum video resolution | 4096x2160 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 580g (1.28 pounds) | 391g (0.86 pounds) |
| Physical dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 122 x 61 x 51mm (4.8" x 2.4" x 2.0") |
| DXO scores | ||
| DXO All around rating | not tested | 49 |
| DXO Color Depth rating | not tested | 20.4 |
| DXO Dynamic range rating | not tested | 11.3 |
| DXO Low light rating | not tested | 208 |
| Other | ||
| Battery life | 420 shots | 290 shots |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | BLH-1 | D-Li-106 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 12 sec) |
| Time lapse recording | ||
| Type of storage | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC |
| Card slots | Two | Single |
| Launch cost | $1,800 | $400 |