In depth comparison and review of Sony Alpha68 ILCA-68 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.
| DESIGN AND DIMENSIONS | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | 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 | 8.09 cm | 7.35 cm |
| Weight | 610 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 | Silver |
| Protection | - | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 24.0 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor APS HD CMOS | CMOS |
| Total Pixels | - | 26,780,000 pixels |
| Effective Sensor Resolution | - | 25,730,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 50 fps | 30 fps |
| Sensor Features | Anti-Dust coating | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical (SteadyShot INSIDE) | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
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| Image Processor | BIONZ X | - |
|---|
| LENS | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Lens Mounting Type | - | Pentax K |
|---|
| FOCUSING | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 79 | 101 |
| Auto Focus Features | Predictive Focus Control | - |
| AE/AF Control | Subject-tracking AF, Eye detection AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF, Face Recognition | Yes |
| VIEWFINDER | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.39" | - |
| Viewfinder Resolution | 1,440,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.88x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +1 |
| Field of View Crop Factor | 1.5 | - |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| ISO (Max) | 25600 | 1600000 |
|---|---|---|
| Native ISO | 100-12800 | - |
| Extended ISO (Max) | 25600 | - |
| Light Sensitivity | ISO auto, 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 | Programme, 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 |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View | - |
| Special Effects | Black & White, Sepia, Saturation, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Night Scene, 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, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 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 electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 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 or 1 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV 2-18 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Type | 2.7" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 460,800 pixels | 1,620,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Contrast control, display brightness control | Colour control, contrast control, display brightness control, night vision LCD display |
| FLASH | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| 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, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, AVC | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | - |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Memory Card Slot | Memory Stick PRO Duo card, SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo, 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 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 - 50 fps AVCHD - 1920 x 1080 - 30 fps AVCHD - 1920 x 1080 - 25 fps AVCHD - 1920 x 1080 - 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 | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Battery Type | Sony NP-FM500H Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FM500H Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Sony Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB 2.0 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | 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 | HDMI output USB 2.0 Microphone (mini-phone stereo 3.5 mm) Accessory shoe (Sony Multi Interface Shoe) |
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 Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 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 | RGB primary colour filter, digital noise reduction, date/time stamp, depth-of-field preview button, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, LCD live view mode, shadow point display, highlight point display, Quick AF Live View, Dynamic Range Optimizer, face detection, 25p Cinema Mode, automatic display brightness adjustment, peripheral illumination correction, 3D Sweep Panorama technology, Multi-Frame Noise Reduction, Shade Correction, NR Slow Shutter, High ISO NR, Quick AF Full HD movie recording, Smart Teleconverter, AUTO+ (Advanced AUTO) mode, Translucent Mirror technology | 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 Alpha68 ILCA-68 | Pentax K-3 Mark III |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, USB cable, power cable, shoe cap | 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 |
| Min Operating Temperature | - | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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