Olympus PEN E-PL9 vs. Pentax K-3 Mark III

Camera Comparison, Reviews and Tests

In depth comparison and review of Olympus PEN E-PL9 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 PEN E-PL9 vs. Pentax K-3 Mark III Comparison Chart
DESIGN AND DIMENSIONS Olympus PEN E-PL9 Pentax K-3 Mark III
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - SLR with Live View mode, movie recording
Lens Included Body only Body only
Height 6.8 cm 10.35 cm
Width 11.71 cm 13.45 cm
Depth 3.9 cm 7.35 cm
Weight 332 g 735 g
Weight Details Camera body only: 332 g
Camera with battery and memory card: 380 g
Camera body only: 735 g
Camera with battery and memory card: 820 g
Body Material - Magnesium alloy
Enclosure Colour White | Brown | Black Black | Silver
Protection - Weatherproof, dust-resistant
Navigation - GPS receiver
SENSOR Olympus PEN E-PL9 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 (17.3 x 13.0 mm) 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 (3-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
LENS Olympus PEN E-PL9 Pentax K-3 Mark III
Lens Mounting Type Micro Four Thirds Pentax K
FOCUSING Olympus PEN E-PL9 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, Eye priority AF Auto-area AF, Zone AF, Expanded area AF
Face Detection Eye Detect AF Yes
VIEWFINDER Olympus PEN E-PL9 Pentax K-3 Mark III
Viewfinder Type - Optical - fixed eye-level pentaprism
Optical Viewfinder Field Coverage - 100%
Optical Viewfinder Magnification - 1.05x
Optical Viewfinder Dioptric Correction Range - -4 to +1
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Olympus PEN E-PL9 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, highlight spot, shadow 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 Focus bracketing Depth of field bracketing, motion bracketing
Special Effects Monotone, Vivid, Custom Effect, soft focus, natural, Muted, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, Instant Film, e-Portrait 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 - 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, 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
Auto Exposure Bracketing 3 steps in 1 EV steps, 5 steps in 2/3 EV steps -
X-sync Speed - 1/200sec
Exposure Range EV -2-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Olympus PEN E-PL9 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 Display brightness control, display colour control Colour control, contrast control, display brightness control, night vision LCD display
FLASH Olympus PEN E-PL9 Pentax K-3 Mark III
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 5.4 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features Flash +/- compensation, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Olympus PEN E-PL9 Pentax K-3 Mark III
Digital Video Format AVI, MJPEG, H.264, MOV H.264, MOV
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, DNG (RAW), PEF (RAW)
Max Video Resolution 3840 x 2160 3840 x 2160
Audio Signal Format Linear PCM, WAV -
Microphone Operation Mode Stereo Stereo
Microphone Features Wind noise reduction, sensitivity control Wind noise reduction, sensitivity control
MEMORY Olympus PEN E-PL9 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 Included No No
Image Storage RAW 4608 x 3456
JPEG 4608 x 3456
JPEG 3200 x 2400
JPEG 1280 x 960
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
MOV - 1920 x 1080 p
MOV - 1280 x 720 p
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 PEN E-PL9 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 - 350 shots
Video recording - 2.5 hours
Photo shooting - 800 shots
Playback - 250 minutes
CONNECTIONS Olympus PEN E-PL9 Pentax K-3 Mark III
Interface HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.0 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 Exif Print support Exif Print support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0 (5 pin Micro-USB Type B)
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 PEN E-PL9 Pentax K-3 Mark III
Self-Timer Delay 2sec, 12sec, 1 - 30 sec 2sec, 12sec
Continuous Shooting Speed 4.3 frames per second, 6.1 frames per second, 8.6 frames per second, 4.8 frames per second, 14.1 frames per second 2.5 frames per second, 12 frames per second, 7 frames per second
HDR Mode Auto HDR mode, HDR post-processing Auto HDR mode
Additional Features Audio recording, built-in speaker, RGB primary colour filter, auto power save, digital image rotation, camera orientation detection, histogram display, in-camera red-eye removal, cropping an image, resizing an image, shadow point display, highlight point display, in-camera film editing, in-camera RAW processing, Full-time Live View, Eye-Fi Card Ready, high-speed recording, Time-Lapse recording 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 PEN E-PL9 Pentax K-3 Mark III
Included Accessories Battery charger, body cap, shoulder strap, USB cable 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 0 °C -10 °C
Service & Support Limited warranty - 2 years Limited warranty - 1 year
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