Pentax K-S1 vs. Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-S1 and Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm 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.

Camera Specifications Comparison

Pentax K-S1 vs. Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II Comparison Chart
DESIGN AND DIMENSIONS Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Product Type Digital camera - 1080p - SLR with Live View mode, movie recording Digital camera - 4K - mirrorless system
Lens Included Body only M.Zuiko Digital 14-42mm II lens
Height 9.3 cm 8.44 cm
Width 12 cm 12.17 cm
Depth 7 cm 4.9 cm
Weight 485 g 335 g
Weight Details - Camera body only: 335 g
Camera with battery and memory card: 383 g
Body Material - Engineering plastic
Enclosure Colour White | Black Black | Silver
Optical Zoom - 3x
SENSOR Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Sensor Resolution 20.12 Megapixel 20.3 Megapixel
Optical Sensor Type CMOS Live MOS
Total Pixels 20,420,000 pixels 21,800,000 pixels
Effective Sensor Resolution 20,120,000 pixels 20,300,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) Four Thirds (4/3")
Frame Rate (Max Resolution) - 30 fps
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-M10 Mark IV + M.Zuiko Digital 14-42mm II
Image Processor PRIME MII TruePic VIII
LENS Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Type - Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 ED EZ - zoom
Focal Length Equivalent to 35mm Camera - 28 - 84mm
Focus Adjustment - Automatic, manual
Min Focus Distance - 20 cm
Max View Angle - 75 degree(s)
Zoom Adjustment - Manual (by ring)
Lens Construction - 7 groups / 8 elements
Filter Size - 37 mm
Lens Mounting Type Pentax KAF2 Micro Four Thirds
Features - ED glass, aspherical lens, Zoom Maximum Speed Adjustment, MSC technology, Super HR (High Refractive) index lens, Lens Barrel Retraction Function
FOCUSING Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Auto Focus TTL phase detection TTL contrast detection
Auto Focus Points (Zones) Qty 11 121
Auto Focus Features - Focus Peaking function, Manual Focus Assist
AE/AF Control Face-priority AF, Subject-tracking AF Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Resolution - 2,360,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.95x 1.23x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +2
Viewfinder Information - Shutter speed, exposure compensation, aperture, white balance, Exposure Mode, image stabilizer, exposure bracketing, battery status, AF lock, AF point, electronic level, metering mode
Field of View Crop Factor - 2
Features - Viewfinder brightness control
EXPOSURE & WHITE BALANCE Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
ISO (Max) 51200 25600
Native ISO 100-51200 200-25600
Extended ISO (Max) - 25600
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO auto, ISO 80-25600
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 - Focus 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, night scene, panning, sports mode, sunset, candle, night scene with portrait, documents, nature macro, e-portrait, handheld starlight, backlight correction HDR, light trace, multi focus
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 Sepia, Monotone, Neutral, Vivid, purple, blue, green, soft focus, natural, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, Instant Film, e-Portrait, i-Finish, Colour Creator
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, 2000K - 14000K
Shutter Type Mechanical electronically-controlled Mechanical, electronic
Max Shutter Speed 1/6000 sec 1/16000 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 1/3 EV steps
White Balance Bracketing Yes -
X-sync Speed 1/180 sec 1/250sec, 1/4000 sec
Exposure Range EV 0-22 (ISO 100) EV -2-20 (ISO 100)
DISPLAY Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Type 3" LCD display 3" LCD display
Touch Screen - Yes
Display Format 921,000 pixels 1,040,000 pixels
Display Form Factor Built-in Tilting
Display Features Colour control, display brightness control Display brightness control
FLASH Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Camera Flash Pop-up flash Pop-up flash
Guide Number (m / ISO 100) 10 5.1
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
VIDEOGRAPHY / CAMCORDER Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Digital Video Format H.264 H.264, MOV
Image Recording Format JPEG, DNG (RAW) + JPEG, DNG (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 3840 x 2160
Audio Signal Format - Linear PCM
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control Wind noise reduction, sensitivity control
MEMORY Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included - No
Video Capture H.264 - 1920 x 1080 - 30 fps
H.264 - 1920 x 1080 - 25 fps
H.264 - 1920 x 1080 - 24 fps
MOV - 3840 x 2160 p - 30 fps
MOV - 3840 x 2160 p - 25 fps
MOV - 3840 x 2160 p - 24 fps
MOV - 1920 x 1080 p - 60 fps
MOV - 1920 x 1080 p - 50 fps
MOV - 1920 x 1080 p - 30 fps
MOV - 1920 x 1080 p - 25 fps
MOV - 1920 x 1080 p - 24 fps
MOV - 1280 x 720 p - 30 fps
MOV - 1280 x 720 p - 25 fps
MOV - 1280 x 720 p - 24 fps
BATTERY AND CHARGING Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Battery Type Pentax D-Li109 Lithium Ion Olympus BLS-50 Lithium Ion
Details Pentax D-Li109 Li-ion rechargeable battery (included) Olympus BLS-50 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 480 shots (50% flash usage)
Playback - 4.5 hours
Photo shooting - 360 shots
Video recording - 80 minutes
CONNECTIONS Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Interface HDMI HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features - Remote control via mobile devices, remote live view, Wireless Image Transfer, QR code scanning
Print Standard DPOF support, Exif Print support Direct print, DPOF support, Exif Print support
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output (19 pin micro HDMI Type D)
USB (5 pin Micro-USB Type B)
HDMI output (19 pin micro HDMI Type D)
FEATURES Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Self-Timer Delay 2sec, 12sec 2sec, 12sec
Continuous Shooting Speed 3 frames per second, 5.4 frames per second 5 frames per second, 8.7 frames per second
HDR Mode Auto HDR mode -
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 Built-in speaker, RGB primary colour filter, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, interval shooting mode, highlight point display, in-camera film editing, USB charging, in-camera RAW processing, Dual Axis Electronic Level, silent shooting, High Dynamic Range (HDR), multiple exposure capture, image overlay, Post-recording function
OTHERS Pentax K-S1 Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II
Included Accessories Battery charger, body cap, shoulder strap, eyecup, shoe cap Dust cap, body cap, lens cap, shoulder strap, AC power adaptor, USB cable
Software Drivers & Utilities -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C -10 °C
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