In depth comparison and review of Canon EOS 1D X and Pentax K-3. 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 | Canon EOS 1D X | Pentax K-3 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - SLR with movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 16.36 cm | 10 cm |
| Width | 15.8 cm | 13.15 cm |
| Depth | 8.27 cm | 7.75 cm |
| Weight | 1.34 kg | 715 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | - | Black |
| Protection | Waterproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| SENSOR | Canon EOS 1D X | Pentax K-3 |
|---|
| Sensor Resolution | 18.1 Megapixel | 23.35 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 19,300,000 pixels | 24,710,000 pixels |
| Effective Sensor Resolution | 18,100,000 pixels | 23,350,000 pixels |
| Optical Sensor Size | Full Frame (36 x 24 mm) | APS-C (23.5 x 15.6 mm) |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | EOS Integrated Cleaning System, Anti-Dust coating, Ultrasonic Wave Motion Cleaning (UWMC) | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | - | Optical (image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Dust alert sensor, digital level metre |
| PROCESSOR | Canon EOS 1D X | Pentax K-3 |
|---|
| Image Processor | Dual DIGIC 5+ | PRIME III |
|---|
| LENS | Canon EOS 1D X | Pentax K-3 |
|---|
| Lens Mounting Type | Canon EF | Pentax K |
|---|
| FOCUSING | Canon EOS 1D X | Pentax K-3 |
|---|
| Auto Focus | TTL phase detection | TTL phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 61 | 27 |
| Auto Focus Features | Predictive Focus Control | - |
| Face Detection | Live Face detection AF mode | Yes |
| VIEWFINDER | Canon EOS 1D X | Pentax K-3 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Optical - fixed eye-level pentaprism |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.76x | 0.95x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1 | -2.5 to +1.5 |
| Viewfinder Information | Shutter speed, exposure compensation, AE lock, flash charge completion, aperture, white balance, metering system, battery status, flash compensation on/off, highlight tone priority, ISO sensitivity, memory card status, FE lock, AF status, AF point | - |
| Field of View Crop Factor | 1.0 | - |
| Interchangeable Focusing Screens | - | Yes |
| EXPOSURE & WHITE BALANCE | Canon EOS 1D X | Pentax K-3 |
|---|
| ISO (Max) | 204800 | 51200 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Light Sensitivity | ISO 50, ISO 102400, ISO 204800, ISO 100-51200, ISO auto (100-51200) | ISO 100-51200, ISO auto (100-51200) |
| Exposure Metering | Evaluative, multi-spot, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 252 | - |
| Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Special Effects | Neutral, Faithful, monochrome, landscape, portrait | Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, cloudy, tungsten light, Flash, daylight, shade | Cloudy, tungsten light, Flash, 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 |
| 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 steps in 1/2 or 1/3 EV steps | 2, 3 or 5 steps |
| X-sync Speed | 1/250sec | 1/180 sec |
| Exposure Range | EV 0-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS 1D X | Pentax K-3 |
|---|
| Type | 3.2" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 1,040,000 pixels | 1,037,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Display brightness control | Colour control |
| FLASH | Canon EOS 1D X | Pentax K-3 |
|---|
| Camera Flash | - | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 13 |
| 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 | Canon EOS 1D X | Pentax K-3 |
|---|
| Digital Video Format | H.264, MOV | AVI, MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW) + JPEG, DNG (RAW) |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Stereo | Mono |
| Microphone Features | - | Sensitivity control |
| MEMORY | Canon EOS 1D X | Pentax K-3 |
|---|
| Memory Card Slot | Dual CompactFlash Card | Dual SD card |
|---|---|---|
| Supported Memory Cards | CompactFlash | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Image Storage | JPEG 5184 x 3456 JPEG 4608 x 3072 JPEG 3456 x 2304 JPEG 2560 x 1536 RAW 5184 x 3456 RAW 3888 x 2592 RAW 2592 x 1728 |
RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps |
H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 50 fps |
| BATTERY AND CHARGING | Canon EOS 1D X | Pentax K-3 |
|---|
| Battery Type | Canon LP-E4N Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Canon LP-E4N Li-ion rechargeable battery - 2450 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 560 shots (50% flash usage) Photo shooting - 720 shots (flash off) Playback - 6.2 hours |
| CONNECTIONS | Canon EOS 1D X | Pentax K-3 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB 3.0 |
|---|---|---|
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output Remote control HDMI output Microphone LAN |
USB 2.0 HDMI output Microphone Headphones Remote control |
| FEATURES | Canon EOS 1D X | Pentax K-3 |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 12 frames per second, 14 frames per second | 8.3 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Audio recording, RGB primary colour filter, auto power save, digital noise reduction, depth-of-field preview button, camera orientation detection, histogram display, AE lock, AF lock, FE lock, GPS ready, LCD live view mode, highlight point display, Dust Delete Data system, face detection, mirror lock, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Chromatic Aberration Compensation (CAC), NR Slow Shutter, distortion control, High ISO NR, EOS iTR (Intelligent Tracking and Recognition) AF, EOS iSA (Intelligent Subject Analysis) System, Quad Active Mirror Stopper, touch pad control | Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready |
| OTHERS | Canon EOS 1D X | Pentax K-3 |
|---|
| Included Accessories | Battery charger, body cap, neck strap, eyecup | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover |
|---|---|---|
| Software | Drivers & Utilities, Canon PhotoStitch, Canon ZoomBrowser EX, Canon ImageBrowser, Canon Remote Capture, Canon Digital Photo Professional | Drivers & Utilities |
| Max Operating Temperature | 45 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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