In depth comparison and review of Pentax K-S1 and Olympus OM-D E-M5 Mark II. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.3 cm | 8.5 cm |
| Width | 12 cm | 12.37 cm |
| Depth | 7 cm | 3.8 cm |
| Weight | 485 g | 417 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | White | Black | Black | Silver |
| Protection | - | Weatherproof, splashproof, dust-resistant |
| SENSOR | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Sensor Resolution | 20.12 Megapixel | 16.05 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Live MOS |
| Total Pixels | 20,420,000 pixels | 17,200,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 16,050,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Four Thirds (4/3") |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Special Protect (SP) coating | Supersonic Wave Filter (SWF) |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Image Processor | PRIME MII | TruePic VII |
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| LENS | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
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| Lens Mounting Type | Pentax KAF2 | Micro Four Thirds |
|---|
| FOCUSING | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Auto Focus | TTL phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 81 |
| Auto Focus Features | - | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Eye Detect AF |
| VIEWFINDER | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | 1.48x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Viewfinder Information | - | Shutter speed, exposure compensation, AF-in-focus, aperture, frame counter, white balance, metering system, Exposure Mode, exposure bracketing, battery status, AF lock |
| Field of View Crop Factor | - | 2 |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100, ISO auto (100-25600), ISO 200-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 77 | 324 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Art Filter bracketing, ISO sensitivity bracketing, Shadow Adjustment Technology, Flash Exposure Bracketing |
| Shooting Programs | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, multiple exposure, panorama assist, night scene, panning, sports mode, sunset, candle, high key, night scene with portrait, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter, handheld starlight, digital IS |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film, Tone Expansion, Cold vintage, Colour Fade, Bold Monochrome, Unicolour Bold, Clear Tone, Warm Fade, Brilliant Colour, Infrared Filter | Art, Black & White, Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, purple, blue, green, soft focus, natural, Black & White Green filter, Muted, portrait, Diorama, Cross Process, composite, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, Key Line, Vintage |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white) | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K |
| Shutter Type | Mechanical electronically-controlled | Mechanical |
| Max Shutter Speed | 1/6000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1, 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | - | 2, 3, 5 steps in 1/3, 1/2, 1 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/250sec, 1/8000 sec |
| Exposure Range | EV 0-22 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,037,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control, display brightness control | Display brightness control, display colour control, Touch AF |
| FLASH | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Camera Flash | Pop-up flash | Detachable flash |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | 12.9 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing |
| External Flash Name | - | Olympus FL-LM3 |
| VIDEOGRAPHY / CAMCORDER | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Digital Video Format | H.264 | AVI, MJPEG, H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG, MPO |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | Wind noise reduction, sensitivity control |
| MEMORY | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Memory Card Slot | SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDXC UHS-I Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Image Storage | - | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 3200 x 2400 - 1.7 MB JPEG 1280 x 960 - 0.4 MB |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
MOV - 1920 x 1080 - 30 fps MOV - 1920 x 1080 - 25 fps MOV - 1920 x 1080 - 24 fps MOV - 1920 x 1080 - 60 fps MOV - 1920 x 1080 - 50 fps MOV - 1280 x 720 - 60 fps MOV - 1280 x 720 - 50 fps MOV - 1280 x 720 - 30 fps MOV - 1280 x 720 - 25 fps MOV - 1280 x 720 - 24 fps MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
| BATTERY AND CHARGING | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Olympus BLN-1 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Olympus BLN-1 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 750 shots |
| CONNECTIONS | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Interface | HDMI | Composite video/audio, HDMI, USB 2.0, Wireless LAN |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, Exif Print support | DPOF support, Exif Print support, PictBridge support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 5 frames per second, 10 frames per second |
| HDR Mode | Auto HDR mode | Auto HDR mode, HDR post-processing |
| Additional Features | RGB primary colour filter, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera film editing, in-camera RAW processing, HDR image enhancement technology, hue control, Eye-Fi Card Ready, LED body illumination | Audio recording, built-in speaker, RGB primary colour filter, auto power save, digital noise reduction, sharpness control, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera red-eye fix, interval shooting mode, contrast control, face detection, digital tele-converter, Shadow Adjustment Technology, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology, GPS via mobile |
| OTHERS | Pentax K-S1 | Olympus OM-D E-M5 Mark II |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Battery charger, body cap, shoulder strap, USB cable |
|---|---|---|
| Software | Drivers & Utilities | Drivers & Utilities, Olympus Viewer 3 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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