Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R vs. Pentax K-3 Mark III

Camera Comparison, Reviews and Tests

In depth comparison and review of Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R and Pentax K-3 Mark III. 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

Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R vs. Pentax K-3 Mark III Comparison Chart
DESIGN AND DIMENSIONS Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - SLR with Live View mode, movie recording
Lens Included M.Zuiko Digital 14-42mm II R lens Body only
Height 8.36 cm 10.35 cm
Width 12.15 cm 13.45 cm
Depth 4.95 cm 7.35 cm
Weight 362 g 735 g
Weight Details Camera body only: 362 g
Camera with battery and memory card: 411 g
Camera body only: 735 g
Camera with battery and memory card: 820 g
Body Material - Magnesium alloy
Enclosure Colour Silver Black | Silver
Protection - Weatherproof, dust-resistant
Optical Zoom 3x -
Navigation - GPS receiver
SENSOR Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Sensor Resolution 16.1 Megapixel 25.73 Megapixel
Optical Sensor Type Live MOS CMOS
Total Pixels 17,200,000 pixels 26,780,000 pixels
Effective Sensor Resolution 16,100,000 pixels 25,730,000 pixels
Optical Sensor Size Four Thirds (4/3") APS-C (23.3 x 15.5 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes -
Sensor Features Supersonic Wave Filter (SWF) Dust Reduction (image sensor vibration), anti-aliasing simulator function
Image Stabiliser Optical (5-axis image sensor shift mechanism) Optical SR II (5-axis image sensor shift mechanism)
Built-in Optical Image Stabiliser Yes Yes
Sensors Digital level metre Digital level metre
PROCESSOR Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Image Processor TruePic VIII -
LENS Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Type Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 Micro Four Thirds -
Focal Length Equivalent to 35mm Camera 28 - 84mm -
Focus Adjustment Automatic, manual -
Min Focus Distance 25 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 Micro Four Thirds Pentax K
Features Aspherical lens, MSC technology -
FOCUSING Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Auto Focus TTL contrast detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 121 101
Auto Focus Features Focus Peaking function -
AE/AF Control Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF Auto-area AF, Zone AF, Expanded area AF
Face Detection Eye Detect AF, face-priority AF function Yes
VIEWFINDER Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Viewfinder Type Electronic - OLED Optical - fixed eye-level pentaprism
Viewfinder Colour Support Colour -
Viewfinder Resolution 2,360,000 pixels -
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.23x 1.05x
Optical Viewfinder Dioptric Correction Range -4 to +2 -4 to +1
Field of View Crop Factor 2 -
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
ISO (Max) 25600 1600000
Native ISO 100-6400 -
Extended ISO (Max) 25600 -
Light Sensitivity ISO 100-25600, ISO auto (100-25600) ISO auto, ISO 100-1600000
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, highlight-weighted
Exposure Metering Zones 324 -
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority
Bracketing Modes Art Filter bracketing, focus bracketing, white balance bracketing Depth of field bracketing, motion bracketing
Special Effects Soft focus, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, Key Line, Vintage, Instant Film Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Fluorescent, sunlight, tungsten light, Flash, shade, overcast, 2000K - 14000K Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white)
Shutter Type Mechanical, electronic Electronic, mechanical electronically-controlled
Max Shutter Speed 1/16000 sec 1/8000 sec
Min Shutter Speed 60 sec 30 sec
Exposure Compensation ±5 EV range, in 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
White Balance Bracketing Yes -
X-sync Speed 1/250sec, 1/4000 sec 1/200sec
Exposure Range EV -2-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Type 3" LCD display 3.2" LCD display
Touch Screen Yes Yes
Display Format 1,040,000 pixels 1,620,000 pixels
Display Form Factor Folding Built-in
Display Features Colour control, display brightness control Colour control, contrast control, display brightness control, night vision LCD display
FLASH Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 5.8 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Digital Video Format H.264, MOV H.264, MOV
Image Recording Format JPEG, RAW, RAW + JPEG, MPO JPEG, DNG (RAW), PEF (RAW)
Max Video Resolution 3840 x 2160 3840 x 2160
Audio Signal Format PCM -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction, sensitivity control Wind noise reduction, sensitivity control
MEMORY Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Memory Card Slot SD card Dual SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I 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 16 GB SDHC -
Memory Card Included Yes No
Image Storage RAW 4608 x 3456
JPEG 4608 x 3456
JPEG 1280 x 720
RAW 6192 x 4128
JPEG 6192 x 4128
JPEG 4752 x 3168
JPEG 3648 x 2432
JPEG 1920 x 1280
Video Capture 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 - 1280 x 720 p - 60 fps
MOV - 1280 x 720 p - 50 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
H.264 - 3840 x 2160 p - 30 fps
H.264 - 3840 x 2160 p - 24 fps
H.264 - 1920 x 1080 p - 60 fps
H.264 - 1920 x 1080 p - 30 fps
H.264 - 1920 x 1080 p - 24 fps
BATTERY AND CHARGING Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Battery Type Olympus BLS-50 Lithium Ion Pentax D-Li90 Lithium Ion
Details Olympus BLS-50 Li-ion rechargeable battery (included) Pentax D-Li90 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 330 shots (Live View mode)
Video recording - 140 minutes
Photo shooting - 800 shots
Playback - 250 minutes
CONNECTIONS Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Interface HDMI, USB 2.0, IEEE 802.11b/g/n HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features Remote control via mobile devices, remote live view, QR code scanning Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard Direct print, DPOF support, Exif Print support, PictBridge support Exif Print support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0 (micro-USB)
HDMI output (19 pin micro HDMI Type D)
USB 3.2 Gen 1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
FEATURES Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Self-Timer Delay 2sec, 12sec 2sec, 12sec
Continuous Shooting Speed 8.6 frames per second, 4.8 frames per second 2.5 frames per second, 12 frames per second, 7 frames per second
HDR Mode Auto HDR mode Auto HDR mode
Additional Features Built-in speaker, RGB primary colour filter, auto power save, histogram display, AE lock, AF lock, shadow point display, interval shooting mode, highlight point display, in-camera RAW processing, high-speed recording, Dual Axis Electronic Level, silent shooting, GPS via mobile Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction
OTHERS Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R Pentax K-3 Mark III
Included Accessories Battery charger, dust cap, body cap, lens cap, shoulder strap, USB cable, carrying bag Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover
Software - Digital Camera Utility 5
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C -10 °C
Service & Support Limited warranty - 2 years Limited warranty - 1 year
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