Detailed comparison and review of Panasonic Lumix G DMC-G3 and Pentax K-3 Mark III. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Product Type | Digital camera - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
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Lens Included | Body only | Body only |
Height | 8.36 cm | 10.35 cm |
Width | 11.52 cm | 13.45 cm |
Depth | 4.67 cm | 7.35 cm |
Weight | 336 g | 735 g |
Weight Details | - | Camera body only: 735 g Camera with battery and memory card: 820 g |
Body Material | - | Magnesium alloy |
Enclosure Colour | Black | Black | Silver |
Protection | - | Weatherproof, dust-resistant |
Digital Zoom | 2x | - |
Navigation | - | GPS receiver |
SENSOR | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Sensor Resolution | 16.0 Megapixel | 25.73 Megapixel |
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Optical Sensor Type | Live MOS | CMOS |
Total Pixels | 16,680,000 pixels | 26,780,000 pixels |
Effective Sensor Resolution | 16,000,000 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 |
Sensor Dust Reduction | Yes | - |
Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
Image Stabiliser | - | Optical SR II (5-axis image sensor shift mechanism) |
Built-in Optical Image Stabiliser | - | Yes |
Sensors | - | Digital level metre |
PROCESSOR | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Image Processor | Venus Engine FHD | - |
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LENS | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Lens Mounting Type | Micro Four Thirds | Pentax K |
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FOCUSING | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Auto Focus | TTL contrast detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 23 | 101 |
AE/AF Control | - | Auto-area AF, Zone AF, Expanded area AF |
Face Detection | Yes | Yes |
VIEWFINDER | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Viewfinder Type | Electronic - LCD | Optical - fixed eye-level pentaprism |
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Viewfinder Colour Support | Colour | - |
Viewfinder Resolution | 1,440,000 pixels | - |
Optical Viewfinder Field Coverage | 100% | 100% |
Optical Viewfinder Magnification | 0.70x | 1.05x |
Optical Viewfinder Dioptric Correction Range | -4 to +4 | -4 to +1 |
Field of View Crop Factor | 2 | - |
Features | - | Auto eye sensor |
EXPOSURE & WHITE BALANCE | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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ISO (Max) | 6400 | 1600000 |
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Light Sensitivity | ISO 800, ISO 400, ISO 200, ISO 160, ISO 1600, ISO 6400, ISO 3200, ISO auto | ISO auto, ISO 100-1600000 |
Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, highlight-weighted |
Exposure Metering Zones | 144 | - |
Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
Bracketing Modes | - | Depth of field bracketing, motion bracketing |
Shooting Programs | Portrait mode, party/indoor, night portrait, PET, scenery, food, illumination snap, flower, night scene, sports mode, sunset, soft skin, baby1, baby2, peripheral defocus, architecture | - |
Special Effects | Vivid, Custom Effect, natural, monochrome, portrait, Scenery | 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 | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) | 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 | - | Electronic, mechanical electronically-controlled |
Max Shutter Speed | 1/4000 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 | 1/160 sec | 1/200sec |
Exposure Range | EV 0-18 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Type | 3" LCD display | 3.2" LCD display |
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Touch Screen | Yes | Yes |
Display Format | 460,000 pixels | 1,620,000 pixels |
Display Form Factor | Rotating | Built-in |
Display Features | Display brightness control, display colour control | Colour control, contrast control, display brightness control, night vision LCD display |
FLASH | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Camera Flash | Pop-up flash | - |
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Guide Number (m / ISO 100) | 10.5 | - |
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, flash +/- compensation | - |
VIDEOGRAPHY / CAMCORDER | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Digital Video Format | MJPEG, AVCHD | H.264, MOV |
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Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, DNG (RAW), PEF (RAW) |
Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | Wind noise reduction, sensitivity control | Wind noise reduction, sensitivity control |
MEMORY | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Memory Card Slot | SD card | Dual SD card |
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Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC 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 |
Image Storage | JPEG 4592 x 3448 JPEG 4576 x 3056 JPEG 4576 x 2576 JPEG 3232 x 2424 JPEG 3232 x 2160 JPEG 3232 x 1824 JPEG 2272 x 1704 JPEG 2272 x 1520 JPEG 1920 x 1080 JPEG 1824 x 1368 JPEG 1824 x 1216 JPEG 1824 x 1024 JPEG 3424 x 3424 JPEG 2416 x 2416 JPEG 1712 x 1712 |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
Video Capture | AVCHD - 1920 x 1080 - 60 fps AVCHD - 1920 x 1080 - 50 fps AVCHD - 1280 x 720 - 60 fps AVCHD - 1280 x 720 - 50 fps MJPEG - 848 x 480 - 30 fps MJPEG - 640 x 480 - 30 fps MJPEG - 320 x 240 - 30 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 | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Battery Type | Lithium Ion - manufacturer-specific | Pentax D-Li90 Lithium Ion |
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Details | 1 x Li-ion rechargeable battery - 1010 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
Battery Life | - | Photo shooting - 800 shots Playback - 250 minutes |
CONNECTIONS | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
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Connectivity Features | - | 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 Composite video/audio output HDMI output Remote control |
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 | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
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Continuous Shooting Speed | 2 frames per second, 4 frames per second, 3 frames per second, 20 frames per second (4MP) | 2.5 frames per second, 12 frames per second, 7 frames per second |
HDR Mode | - | Auto HDR mode |
Additional Features | Audio recording, built-in speaker, RGB primary colour filter, date/time stamp, digital image rotation, histogram display, in-camera red-eye removal, cropping an image, resizing an image, Scene Detection Technology, Intelligent Scene Selector, Object Detection, AF/AE tracking, Intelligent Resolution Technology, face detection, Motion Detection Technology, Full-time Live View, Face Recognition, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control | 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 | Panasonic Lumix G DMC-G3 | Pentax K-3 Mark III |
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Included Accessories | Battery charger, body cap, shoulder strap, USB cable, pen stylus, audio / video cable | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
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Software | Drivers & Utilities, SILKYPIX Developer Studio 3.1 SE, Loilo Super Loiloscope, Panasonic PHOTOfunSTUDIO 6.2 HD Edition | Digital Camera Utility 5 |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | 0 °C | -10 °C |
Service & Support | - | Limited warranty - 1 year |