Olympus E-M5 III vs Pentax S1
80 Imaging
62 Features
88 Overall
72
93 Imaging
37 Features
31 Overall
34
Olympus E-M5 III vs Pentax S1 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Launched October 2019
- Succeeded the Olympus E-M5 II
- Updated by OM System OM-5
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.5) lens
- 157g - 114 x 58 x 28mm
- Released March 2011
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Its time to take a closer look at the Olympus E-M5 III and Pentax S1, one being a Advanced Mirrorless and the other is a Small Sensor Compact by companies Olympus and Pentax. There is a sizeable difference among the resolutions of the E-M5 III (20MP) and S1 (14MP) and the E-M5 III (Four Thirds) and S1 (1/2.3") posses different sensor size.
Photography GlossaryThe E-M5 III was launched 8 years later than the S1 and that is a fairly large gap as far as camera tech is concerned. The two cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax S1 being a Compact camera.
Before going straight to a thorough comparison, here is a simple synopsis of how the E-M5 III scores versus the S1 in regards to portability, imaging, features and an overall rating.
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This is a sample of the gallery pics for Olympus OM-D E-M5 III and Pentax Optio S1. The complete galleries are provided at Olympus E-M5 III Gallery and Pentax S1 Gallery.
Reasons to pick Olympus E-M5 III over the Pentax S1
| E-M5 III | S1 | |||
|---|---|---|---|---|
| Released | October 2019 |  | March 2011 | Fresher by 106 months |
| Display type | Fully Articulated |  | Fixed | Fully Articulating display |
| Display dimensions | 3" |  | 2.7" | Larger display (+0.3") |
| Display resolution | 1040k |  | 230k | Sharper display (+810k dot) |
| Selfie screen |  | Take selfies | ||
| Touch friendly display |  | Easily navigate |
Reasons to pick Pentax S1 over the Olympus E-M5 III
| S1 | E-M5 III |
|---|
Common features in the Olympus E-M5 III and Pentax S1
| E-M5 III | S1 | |||
|---|---|---|---|---|
| Manually focus |  | More precise focusing |
Olympus E-M5 III vs Pentax S1 Physical Comparison
For those who are aiming to carry your camera frequently, you'll have to think about its weight and volume. The Olympus E-M5 III has physical dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) and the Pentax S1 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs).
Check out the Olympus E-M5 III and Pentax S1 in the new Camera with Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at that time. Underneath is a front view physical size comparison of the E-M5 III versus the S1.
Taking into account size and weight, the portability rating of the E-M5 III and S1 is 80 and 93 respectively.
Olympus E-M5 III vs Pentax S1 Sensor Comparison
Generally, it can be hard to visualize the contrast in sensor sizing only by looking through a spec sheet. The graphic below will help provide you a clearer sense of the sensor sizes in the E-M5 III and S1.
As you can see, the two cameras provide different megapixels and different sensor sizing. The E-M5 III due to its larger sensor is going to make getting shallower DOF simpler and the Olympus E-M5 III will provide you with more detail utilizing its extra 6 Megapixels. Greater resolution can also help you crop pics more aggressively. The fresher E-M5 III should have an advantage in sensor tech.
Olympus E-M5 III vs Pentax S1 Screen and ViewFinder
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Olympus E-M5 III vs Pentax S1 Specifications
| Olympus OM-D E-M5 III | Pentax Optio S1 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Pentax |
| Model type | Olympus OM-D E-M5 III | Pentax Optio S1 |
| Class | Advanced Mirrorless | Small Sensor Compact |
| Launched | 2019-10-17 | 2011-03-02 |
| Physical type | SLR-style mirrorless | Compact |
| Sensor Information | ||
| Processor Chip | TruePic VIII | - |
| Sensor type | MOS | CCD |
| Sensor size | Four Thirds | 1/2.3" |
| Sensor dimensions | 17.4 x 13mm | 6.17 x 4.55mm |
| Sensor surface area | 226.2mm² | 28.1mm² |
| Sensor resolution | 20 megapixel | 14 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 16:9 |
| Peak resolution | 5184 x 3888 | 4288 x 3216 |
| Highest native ISO | 25600 | 6400 |
| Minimum native ISO | 200 | 80 |
| RAW files | ||
| Minimum enhanced ISO | 64 | - |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 121 | 9 |
| Lens | ||
| Lens mount type | Micro Four Thirds | fixed lens |
| Lens zoom range | - | 28-140mm (5.0x) |
| Largest aperture | - | f/3.5-5.5 |
| Macro focusing distance | - | 1cm |
| Total lenses | 107 | - |
| Focal length multiplier | 2.1 | 5.8 |
| Screen | ||
| Screen type | Fully Articulated | Fixed Type |
| Screen diagonal | 3 inches | 2.7 inches |
| Resolution of screen | 1,040k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Screen technology | - | TFT color LCD with Anti-reflective coating |
| Viewfinder Information | ||
| Viewfinder type | Electronic | None |
| Viewfinder resolution | 2,360k dots | - |
| Viewfinder coverage | 100 percent | - |
| Viewfinder magnification | 0.68x | - |
| Features | ||
| Minimum shutter speed | 60 seconds | 4 seconds |
| Fastest shutter speed | 1/8000 seconds | 1/1500 seconds |
| Fastest silent shutter speed | 1/32000 seconds | - |
| Continuous shutter rate | 30.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | - |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 3.90 m |
| Flash modes | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-eye, Soft |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/250 seconds | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Highest 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 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 414 grams (0.91 lbs) | 157 grams (0.35 lbs) |
| Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 114 x 58 x 28mm (4.5" x 2.3" x 1.1") |
| DXO scores | ||
| DXO Overall 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 | 310 shots | 260 shots |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | BLN-1 | D-LI92 |
| Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC, Internal |
| Card slots | Single | Single |
| Cost at release | $1,199 | $174 |
