Olympus E-M10 II vs Pentax K-S2
82 Imaging
53 Features
77 Overall
62
64 Imaging
63 Features
82 Overall
70
Olympus E-M10 II vs Pentax K-S2 Key Specs
(Full Review)
- 16MP - Four Thirds Sensor
- 3" Tilting Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1920 x 1080 video
- Micro Four Thirds Mount
- 390g - 120 x 83 x 47mm
- Released August 2015
- Earlier Model is Olympus E-M10
- Newer Model is Olympus E-M10 III
(Full Review)
- 20MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 678g - 123 x 91 x 73mm
- Revealed February 2015
- Replaced the Pentax K-S1
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On this page, we will be matching up the Olympus E-M10 II vs Pentax K-S2, former is a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by manufacturers Olympus and Pentax. The sensor resolution of the E-M10 II (16MP) and the K-S2 (20MP) is pretty close but the E-M10 II (Four Thirds) and K-S2 (APS-C) provide different sensor size.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe E-M10 II was launched 7 months after the K-S2 so they are of a similar age. Both of these cameras have different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax K-S2 being a Compact SLR camera.
Before going right into a full comparison, here is a short view of how the E-M10 II matches up against the K-S2 in terms of portability, imaging, features and an overall score.
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Following is a preview of the gallery images for Olympus OM-D E-M10 II & Pentax K-S2. The complete galleries are viewable at Olympus E-M10 II Gallery & Pentax K-S2 Gallery.
Reasons to pick Olympus E-M10 II over the Pentax K-S2
| E-M10 II | K-S2 | |||
|---|---|---|---|---|
| Revealed | August 2015 | February 2015 | More modern by 7 months | |
| Screen resolution | 1040k | 921k | Clearer screen (+119k dot) | |
| Touch screen | Quickly navigate |
Reasons to pick Pentax K-S2 over the Olympus E-M10 II
| K-S2 | E-M10 II | |||
|---|---|---|---|---|
| Screen type | Fully Articulated | Tilting | Fully Articulating screen | |
| Selfie screen | Take selfies |
Common features in the Olympus E-M10 II and Pentax K-S2
| E-M10 II | K-S2 | |||
|---|---|---|---|---|
| Manual focus | Dial accurate focusing | |||
| Screen dimensions | 3" | 3" | Equal screen size |
Olympus E-M10 II vs Pentax K-S2 Physical Comparison
In case you're aiming to carry around your camera, you have to factor in its weight and size. The Olympus E-M10 II offers outer measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") accompanied by a weight of 390 grams (0.86 lbs) and the Pentax K-S2 has specifications of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs).
Look at the Olympus E-M10 II vs Pentax K-S2 in our completely new Camera & Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will change depending on the lens you are utilizing during that time. Here is a front view dimensions comparison of the E-M10 II against the K-S2.

Factoring in dimensions and weight, the portability score of the E-M10 II and K-S2 is 82 and 64 respectively.
Olympus E-M10 II vs Pentax K-S2 Sensor Comparison
Sometimes, its tough to imagine the contrast in sensor sizes just by viewing technical specs. The pic here should offer you a more clear sense of the sensor measurements in the E-M10 II and K-S2.
As you can tell, both cameras have different resolutions and different sensor sizes. The E-M10 II featuring a smaller sensor is going to make achieving shallower depth of field tougher and the Pentax K-S2 will render extra detail utilizing its extra 4MP. Higher resolution can also enable you to crop photographs a bit more aggressively. The fresher E-M10 II provides a benefit in sensor innovation.
Olympus E-M10 II vs Pentax K-S2 Screen and ViewFinder
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Olympus E-M10 II vs Pentax K-S2 Specifications
| Olympus OM-D E-M10 II | Pentax K-S2 | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Pentax |
| Model type | Olympus OM-D E-M10 II | Pentax K-S2 |
| Type | Entry-Level Mirrorless | Entry-Level DSLR |
| Released | 2015-08-25 | 2015-02-10 |
| Physical type | SLR-style mirrorless | Compact SLR |
| Sensor Information | ||
| Processor Chip | TruePic VII | PRIME MII |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.3 x 13mm | 23.5 x 15.6mm |
| Sensor area | 224.9mm² | 366.6mm² |
| Sensor resolution | 16 megapixel | 20 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 |
| Highest Possible resolution | 4608 x 3456 | 5472 x 3648 |
| Maximum native ISO | 25600 | 51200 |
| Min native ISO | 200 | 100 |
| RAW data | ||
| Min enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | 81 | 11 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Pentax KAF2 |
| Total lenses | 107 | 151 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Type of screen | Tilting | Fully Articulated |
| Screen sizing | 3 inches | 3 inches |
| Screen resolution | 1,040k dots | 921k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Optical (pentaprism) |
| Viewfinder resolution | 2,360k dots | - |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.62x | 0.64x |
| Features | ||
| Min shutter speed | 60s | 30s |
| Max shutter speed | 1/4000s | 1/6000s |
| Continuous shutter rate | 8.0 frames/s | 5.4 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 5.80 m (ISO 100) | 12.00 m (at ISO 100) |
| Flash modes | Auto, redeye reduction, fill flash, flash off, 1st-curtain slow sync w/redeye, 1st-curtain slow sync, 2nd-curtain slow sync, manual | Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60p/30p/24p), 1280 x 720 (60p/30p/24p), 640 x 480 (30 fps) | 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p) |
| Maximum video resolution | 1920x1080 | 1920x1080 |
| Video data format | H.264, Motion JPEG | MPEG-4, H.264 |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 390g (0.86 lb) | 678g (1.49 lb) |
| Physical dimensions | 120 x 83 x 47mm (4.7" x 3.3" x 1.9") | 123 x 91 x 73mm (4.8" x 3.6" x 2.9") |
| DXO scores | ||
| DXO Overall rating | 73 | not tested |
| DXO Color Depth rating | 23.1 | not tested |
| DXO Dynamic range rating | 12.5 | not tested |
| DXO Low light rating | 842 | not tested |
| Other | ||
| Battery life | 320 shots | 410 shots |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | BLS-50 | D-LI109 |
| Self timer | Yes (12 sec., 2 sec, custom) | Yes (2 or 12 secs) |
| Time lapse feature | ||
| Storage type | SD/SDHC/SDXC | SD/SDHC/SDXC |
| Card slots | Single | Single |
| Launch price | $499 | $581 |