Side by side comparison and review of Sony Alpha9 II ILCE-9M2 and Pentax K-3 Mark III. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
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Lens Included | Body only | Body only |
Height | 9.64 cm | 10.35 cm |
Width | 12.89 cm | 13.45 cm |
Depth | 7.75 cm | 7.35 cm |
Weight | 678 g | 735 g |
Weight Details | Camera with battery and memory card: 678 g | Camera body only: 735 g Camera with battery and memory card: 820 g |
Body Material | Magnesium alloy | Magnesium alloy |
Enclosure Colour | Black | Black | Silver |
Protection | Dust-resistant, moisture-resistant | Weatherproof, dust-resistant |
Navigation | - | GPS receiver |
SENSOR | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Sensor Resolution | 24.2 Megapixel | 25.73 Megapixel |
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Optical Sensor Type | Exmor RS CMOS | CMOS |
Total Pixels | 28,300,000 pixels | 26,780,000 pixels |
Effective Sensor Resolution | 24,200,000 pixels | 25,730,000 pixels |
Optical Sensor Size | Full Frame (35.6 x 23.8 mm) | APS-C (23.3 x 15.5 mm) |
Frame Rate (Max Resolution) | 30 fps | 30 fps |
Sensor Dust Reduction | Yes | - |
Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating, APS-C compatible mode | 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 | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Image Processor | BIONZ X | - |
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LENS | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Lens Mounting Type | Sony E-mount | Pentax K |
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FOCUSING | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 693 | 101 |
Auto Focus Features | Focus Peaking function, 4D FOCUS system | - |
AE/AF Control | - | Auto-area AF, Zone AF, Expanded area AF |
Face Detection | Face-priority AF function | Yes |
VIEWFINDER | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
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Viewfinder Colour Support | Colour | - |
Viewfinder Diagonal Size | 0.5" | - |
Viewfinder Resolution | 3,686,400 pixels | - |
Optical Viewfinder Field Coverage | 100% | 100% |
Optical Viewfinder Magnification | 0.78x | 1.05x |
Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +1 |
Field of View Crop Factor | 1.0 | - |
Features | Viewfinder brightness control, colour temperature control | Auto eye sensor |
EXPOSURE & WHITE BALANCE | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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ISO (Max) | 204800 | 1600000 |
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Native ISO | 100-51200 | - |
Extended ISO (Max) | 204800 | - |
Extended ISO (Min) | 50 | - |
Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 204800, ISO 100-51200 | ISO auto, ISO 100-1600000 |
Exposure Metering | Multi-segment, centre-weighted, spot, average, highlight-weighted | Multi-segment, centre-weighted, spot, highlight-weighted |
Exposure Metering Zones | 1200 | - |
Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
Bracketing Modes | Dynamic Range Bracketing, Flash Exposure Bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
Special Effects | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box | 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, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | 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 | 1/32000 sec | 1/8000 sec |
Min Shutter Speed | 30 sec | 30 sec |
Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
Auto Exposure Bracketing | 3, 5 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps, 9 steps in 1/3, 1/2, 2/3 or 1 EV steps | - |
White Balance Bracketing | Yes | - |
X-sync Speed | 1/250sec | 1/200sec |
Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Sony Alpha9 II ILCE-9M2 | 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 | 1,440,000 pixels | 1,620,000 pixels |
Display Form Factor | Folding | Built-in |
Display Features | Display brightness control | Colour control, contrast control, display brightness control, night vision LCD display |
VIDEOGRAPHY / CAMCORDER | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Digital Video Format | AVCHD, H.264, XAVC S | H.264, MOV |
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Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | - |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | - | Wind noise reduction, sensitivity control |
MEMORY | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Memory Card Slot | Dual SD card | Dual SD card |
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Supported Memory Cards | 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 | 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 | 6000 x 4000 3936 x 2624 3008 x 2000 5328 x 4000 3488 x 2624 2656 x 2000 6000 x 3376 3936 x 2216 3008 x 1688 4000 x 4000 2624 x 2624 2000 x 2000 1312 x 1312 1968 x 1112 1744 x 1312 |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
Video Capture | XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 i - 30 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
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 | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Battery Type | Sony NP-FZ100 Lithium Ion | Pentax D-Li90 Lithium Ion |
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Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
Battery Life | Photo shooting - 690 shots (LCD Monitor on) Photo shooting - 500 shots (LCD Monitor off) Video recording - 200 minutes (LCD Monitor on) Video recording - 195 minutes (LCD Monitor off) |
Photo shooting - 800 shots Playback - 250 minutes |
CONNECTIONS | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Interface | HDMI, USB 2.0, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | 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 | Remote control via mobile devices, remote live view, Wireless Image Transfer |
Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support |
Computer Connectivity | - | Mac, Windows |
Flash Terminal | Hot shoe | Hot shoe, PC terminal |
Connector Type | USB (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) Network (RJ-45) |
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 | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
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Continuous Shooting Speed | 8 frames per second, 3 frames per second, 5 frames per second, 20 frames per second, 10 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, sharpness control, histogram display, AE lock, AF lock, FE lock, saturation control, contrast control, Dynamic Range Optimizer, Chromatic Aberration Compensation (CAC), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, slow motion recording, peripheral shading correction, Flickering Reduction function | 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 | Sony Alpha9 II ILCE-9M2 | Pentax K-3 Mark III |
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Included Accessories | Eyepiece cover, body cap, shoulder strap, AC power adaptor, USB cable, shoe cap | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
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Software | - | Digital Camera Utility 5 |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | 0 °C | -10 °C |
Service & Support | - | Limited warranty - 1 year |