Olympus E-M1 III vs Pentax K-S1
67 Imaging
62 Features
96 Overall
75
69 Imaging
63 Features
70 Overall
65
Olympus E-M1 III vs Pentax K-S1 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
- Earlier Model is Olympus E-M1 II
(Full Review)
- 20MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 558g - 121 x 93 x 70mm
- Revealed August 2014
- Successor is Pentax K-S2
Olympus E-M1 III vs Pentax K-S1 Overview
The following is a complete review of the Olympus E-M1 III vs Pentax K-S1, one is a Pro Mirrorless and the other is a Advanced DSLR by manufacturers Olympus and Pentax. The image resolution of the E-M1 III (20MP) and the K-S1 (20MP) is fairly close but the E-M1 III (Four Thirds) and K-S1 (APS-C) posses different sensor dimensions.
Photography GlossaryThe E-M1 III was unveiled 5 years after the K-S1 which is a fairly serious gap as far as camera technology is concerned. Both of these cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.
Before we go right into a comprehensive comparison, here is a short introduction of how the E-M1 III matches up vs the K-S1 in terms of portability, imaging, features and an overall mark.
Olympus E-M1 III vs Pentax K-S1 Gallery
This is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Pentax K-S1. The full galleries are viewable at Olympus E-M1 III Gallery and Pentax K-S1 Gallery.
Reasons to pick Olympus E-M1 III over the Pentax K-S1
E-M1 III | K-S1 | |||
---|---|---|---|---|
Revealed | February 2020 | August 2014 | Newer by 67 months | |
Display type | Fully Articulated | Fixed | Fully Articulating display | |
Display resolution | 1037k | 921k | Sharper display (+116k dot) | |
Selfie screen | Take selfies | |||
Touch display | Easily navigate |
Reasons to pick Pentax K-S1 over the Olympus E-M1 III
K-S1 | E-M1 III |
---|
Common features in the Olympus E-M1 III and Pentax K-S1
E-M1 III | K-S1 | |||
---|---|---|---|---|
Focus manually | More precise focus | |||
Display dimensions | 3" | 3" | Equal display sizing |
Olympus E-M1 III vs Pentax K-S1 Physical Comparison
If you're intending to travel with your camera often, you will want to factor its weight and proportions. The Olympus E-M1 III has external 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-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).
Analyze the Olympus E-M1 III vs Pentax K-S1 in the latest Camera and Lens Size Comparison Tool.Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you choose during that time. Following is a front view over all size comparison of the E-M1 III versus the K-S1.
Taking into consideration dimensions and weight, the portability score of the E-M1 III and K-S1 is 67 and 69 respectively.
Olympus E-M1 III vs Pentax K-S1 Sensor Comparison
Sometimes, its tough to picture the gap in sensor dimensions purely by viewing technical specs. The image here might give you a far better sense of the sensor sizes in the E-M1 III and K-S1.
As you have seen, both of these cameras have the same megapixel count but different sensor dimensions. The E-M1 III includes the smaller sensor which is going to make obtaining shallow depth of field harder. The fresher E-M1 III should have an advantage in sensor technology.
Olympus E-M1 III vs Pentax K-S1 Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Olympus E-M1 III vs Pentax K-S1 Specifications
Olympus OM-D E-M1 Mark III | Pentax K-S1 | |
---|---|---|
General Information | ||
Make | Olympus | Pentax |
Model type | Olympus OM-D E-M1 Mark III | Pentax K-S1 |
Class | Pro Mirrorless | Advanced DSLR |
Launched | 2020-02-11 | 2014-08-27 |
Physical type | SLR-style mirrorless | Mid-size SLR |
Sensor Information | ||
Powered by | TruePic IX | Prime MII |
Sensor type | CMOS | CMOS |
Sensor size | Four Thirds | APS-C |
Sensor dimensions | 17.4 x 13mm | 23.5 x 15.6mm |
Sensor surface area | 226.2mm² | 366.6mm² |
Sensor resolution | 20 megapixel | 20 megapixel |
Anti alias filter | ||
Aspect ratio | 4:3 | 3:2 |
Maximum resolution | 5184 x 3888 | 5472 x 3648 |
Maximum native ISO | 25600 | 51200 |
Lowest native ISO | 200 | 100 |
RAW support | ||
Lowest boosted ISO | 64 | - |
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
AF continuous | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
Multi area AF | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 121 | 11 |
Cross type focus points | 121 | - |
Lens | ||
Lens mount type | Micro Four Thirds | Pentax KAF2 |
Number of lenses | 107 | 151 |
Crop factor | 2.1 | 1.5 |
Screen | ||
Screen type | Fully Articulated | Fixed Type |
Screen size | 3 inches | 3 inches |
Resolution of screen | 1,037 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder | Electronic | Optical (pentaprism) |
Viewfinder resolution | 2,360 thousand dots | - |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.74x | 0.64x |
Features | ||
Lowest shutter speed | 60s | 30s |
Highest shutter speed | 1/8000s | 1/6000s |
Highest silent shutter speed | 1/32000s | - |
Continuous shooting rate | 60.0 frames per sec | 5.4 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | no built-in flash | 10.00 m (at ISO 100) |
Flash options | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual |
External flash | ||
AEB | ||
WB bracketing | ||
Highest flash synchronize | 1/250s | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
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 | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps) |
Maximum video resolution | 4096x2160 | 1920x1080 |
Video data format | MPEG-4, H.264 | H.264 |
Mic support | ||
Headphone support | ||
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 | Optional |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 580 grams (1.28 pounds) | 558 grams (1.23 pounds) |
Physical dimensions | 134 x 91 x 69mm (5.3" x 3.6" x 2.7") | 121 x 93 x 70mm (4.8" x 3.7" x 2.8") |
DXO scores | ||
DXO All around rating | not tested | 78 |
DXO Color Depth rating | not tested | 23.5 |
DXO Dynamic range rating | not tested | 13.0 |
DXO Low light rating | not tested | 1061 |
Other | ||
Battery life | 420 photos | 410 photos |
Form of battery | Battery Pack | Battery Pack |
Battery ID | BLH-1 | D-LI109 |
Self timer | Yes (2 or 12 secs, custom) | Yes ( 2 or 12 seconds) |
Time lapse shooting | ||
Storage type | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC |
Card slots | Two | Single |
Price at launch | $1,800 | $339 |