Detailed comparison and review of Sony Alpha99 II ILCA-99M2 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 | Sony Alpha99 II ILCA-99M2 | 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 | 10.42 cm | 10.35 cm |
| Width | 14.26 cm | 13.45 cm |
| Depth | 7.61 cm | 7.35 cm |
| Weight | 849 g | 735 g |
| Weight Details | Camera with battery and memory card: 849 g | Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | Dust-resistant, moisture-resistant | Weatherproof, dust-resistant |
| Digital Zoom | 8x | - |
| Navigation | - | GPS receiver |
| SENSOR | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 42.4 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 43,600,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Features | 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 |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
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| Image Processor | BIONZ X | - |
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| LENS | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
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| Lens Mounting Type | Sony A-type | Pentax K |
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| FOCUSING | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
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| Auto Focus | Hybrid | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 101 |
| Auto Focus Features | Predictive Focus Control | - |
| AE/AF Control | - | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF | Yes |
| VIEWFINDER | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 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 |
| Features | Viewfinder brightness control, colour temperature control | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| ISO (Max) | 102400 | 1600000 |
|---|---|---|
| Native ISO | 100-25600 | - |
| Extended ISO (Max) | 102400 | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 | ISO auto, ISO 100-1600000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Metering Zones | 1200 | - |
| Exposure Modes | Automatic, 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 |
| 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, Rich-tone monochrome, 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, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white), Colour Filter (G7 - M7), Colour Filter (A7 - B7) | 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 electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 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, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV 2-17 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,228,800 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 Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, XAVC HD | 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 | Dolby Digital AC-3 (2 channel), Linear PCM, AAC | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Memory Card Slot | SD card, Memory Stick PRO Duo card / SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, microSD Card, microSDHC Card, Memory Stick Micro Mark2, microSDXC 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 | 7952 x 5304 5168 x 3448 3984 x 2656 5168 x 3448 3984 x 2656 2592 x 1728 7952 x 4472 5168 x 2912 3984 x 2240 5168 x 2912 3984 x 2240 2592 x 1456 |
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 - 24 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps AVCHD - 1920 x 1080 p - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 p - 24 fps - 24Mbps AVCHD - 1920 x 1080 p - 24 fps - 17Mbps H.264 - 1920 x 1080 p - 60 fps - 28Mbps H.264 - 1920 x 1080 p - 30 fps - 16Mbps H.264 - 1280 x 720 p - 30 fps - 6Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 p - 50 fps - 28Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps AVCHD - 1920 x 1080 p - 25 fps - 24Mbps AVCHD - 1920 x 1080 p - 25 fps - 17Mbps H.264 - 1920 x 1080 p - 50 fps - 28Mbps H.264 - 1920 x 1080 p - 25 fps - 16Mbps H.264 - 1280 x 720 p - 25 fps - 6Mbps |
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 Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Battery Type | Sony NP-FM500H Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 490 shots (LCD Monitor on) Video recording - 2.25 hours (LCD Monitor on) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Sony Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices | 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 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) |
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 Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 8 frames per second, 12 frames per second, 6 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 | Exposure compensation, built-in speaker, sharpness control, histogram display, auto exposure control, colour control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, High ISO NR, Smart Teleconverter, Lens Distortion Compensation (LDC), Clear Image Zoom, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, back illuminated sensor, High Dynamic Range (HDR), dual video recording, noise reduction | 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 Alpha99 II ILCA-99M2 | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap, micro-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 - 1 year |
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