Olympus E-M1 III vs Pentax K-x
67 Imaging
62 Features
96 Overall
75
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69 Imaging
52 Features
47 Overall
50
Olympus E-M1 III vs Pentax K-x 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
- Old Model is Olympus E-M1 II
(Full Review)
- 12MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 100 - 6400 (Bump to 12800)
- Sensor based Image Stabilization
- 1/6000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 580g - 123 x 92 x 68mm
- Announced December 2009
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Olympus E-M1 III vs Pentax K-x Overview
Here, we will be evaluating the Olympus E-M1 III and Pentax K-x, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by brands Olympus and Pentax. There is a big difference between the sensor resolutions of the E-M1 III (20MP) and K-x (12MP) and the E-M1 III (Four Thirds) and K-x (APS-C) boast different sensor sizes.
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The E-M1 III was launched 10 years after the K-x which is quite a big gap as far as tech is concerned. Each of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.
Before diving into a in-depth comparison, here is a short view of how the E-M1 III grades vs the K-x in relation to portability, imaging, features and an overall score.
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Olympus E-M1 III vs Pentax K-x Gallery
Here is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Pentax K-x. The complete galleries are available at Olympus E-M1 III Gallery and Pentax K-x Gallery.
Reasons to pick Olympus E-M1 III over the Pentax K-x
E-M1 III | K-x | |||
---|---|---|---|---|
Announced | February 2020 | ![]() | December 2009 | More modern by 124 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen size | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 1037k | ![]() | 230k | Crisper screen (+807k dot) |
Selfie screen | ![]() | Take selfies | ||
Touch friendly screen | ![]() | Quickly navigate |
Reasons to pick Pentax K-x over the Olympus E-M1 III
K-x | E-M1 III |
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Common features in the Olympus E-M1 III and Pentax K-x
E-M1 III | K-x | |||
---|---|---|---|---|
Manually focus | ![]() | Very accurate focusing |
Olympus E-M1 III vs Pentax K-x Physical Comparison
When you are planning to carry around your camera frequently, you're going to have to factor in its weight and measurements. The Olympus E-M1 III has got physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Pentax K-x has proportions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).
Compare the Olympus E-M1 III and Pentax K-x in the new Camera and Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that time. Underneath is a front view measurement comparison of the E-M1 III vs the K-x.
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Considering size and weight, the portability score of the E-M1 III and K-x is 67 and 69 respectively.
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Olympus E-M1 III vs Pentax K-x Sensor Comparison
Usually, it can be hard to picture the gap between sensor sizes merely by reading a spec sheet. The pic underneath may give you a greater sense of the sensor dimensions in the E-M1 III and K-x.
Clearly, both the cameras come with different megapixels and different sensor sizes. The E-M1 III because of its tinier sensor is going to make getting shallow depth of field more challenging and the Olympus E-M1 III will deliver more detail utilizing its extra 8MP. Higher resolution will also make it easier to crop pictures a good deal more aggressively. The more modern E-M1 III should have an edge with regard to sensor tech.
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Olympus E-M1 III vs Pentax K-x Screen and ViewFinder
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Photography Type Scores
Portrait Comparison
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Street Comparison
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Sports Comparison
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Travel Comparison
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Landscape Comparison
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Vlogging Comparison
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Olympus E-M1 III vs Pentax K-x Specifications
Olympus OM-D E-M1 Mark III | Pentax K-x | |
---|---|---|
General Information | ||
Brand Name | Olympus | Pentax |
Model | Olympus OM-D E-M1 Mark III | Pentax K-x |
Type | Pro Mirrorless | Entry-Level DSLR |
Launched | 2020-02-11 | 2009-12-23 |
Physical type | SLR-style mirrorless | Compact SLR |
Sensor Information | ||
Chip | TruePic IX | Prime |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor dimensions | 17.4 x 13mm | 23.6 x 15.8mm |
Sensor area | 226.2mm² | 372.9mm² |
Sensor resolution | 20 megapixel | 12 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 |
Full resolution | 5184 x 3888 | 4288 x 2848 |
Max native ISO | 25600 | 6400 |
Max boosted ISO | - | 12800 |
Lowest native ISO | 200 | 100 |
RAW format | ||
Lowest boosted ISO | 64 | - |
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Continuous autofocus | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Number of focus points | 121 | 11 |
Cross focus points | 121 | - |
Lens | ||
Lens mounting type | Micro Four Thirds | Pentax KAF2 |
Amount of lenses | 107 | 151 |
Crop factor | 2.1 | 1.5 |
Screen | ||
Screen type | Fully Articulated | Fixed Type |
Screen sizing | 3" | 2.7" |
Screen resolution | 1,037k dots | 230k dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Screen technology | - | TFT LCD monitor |
Viewfinder Information | ||
Viewfinder | Electronic | Optical (pentamirror) |
Viewfinder resolution | 2,360k dots | - |
Viewfinder coverage | 100 percent | 96 percent |
Viewfinder magnification | 0.74x | 0.57x |
Features | ||
Lowest shutter speed | 60 secs | 30 secs |
Highest shutter speed | 1/8000 secs | 1/6000 secs |
Highest silent shutter speed | 1/32000 secs | - |
Continuous shooting rate | 60.0fps | 5.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | 16.00 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, Slow Sync, Rear curtain, Wireless |
External flash | ||
AEB | ||
WB bracketing | ||
Highest flash synchronize | 1/250 secs | 1/180 secs |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
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 | 1280 x 720 (24 fps), 640 x 416 (24 fps) |
Max video resolution | 4096x2160 | 1280x720 |
Video data format | MPEG-4, H.264 | Motion JPEG |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 580 gr (1.28 pounds) | 580 gr (1.28 pounds) |
Physical dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 123 x 92 x 68mm (4.8" x 3.6" x 2.7") |
DXO scores | ||
DXO All around score | not tested | 72 |
DXO Color Depth score | not tested | 22.8 |
DXO Dynamic range score | not tested | 12.5 |
DXO Low light score | not tested | 811 |
Other | ||
Battery life | 420 shots | 1900 shots |
Battery style | Battery Pack | Battery Pack |
Battery model | BLH-1 | 4 x AA |
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 card |
Card slots | 2 | One |
Launch pricing | $1,800 | $600 |