In depth comparison and review of Sony Cinema Line ILME-FX3 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 Cinema Line ILME-FX3 | 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 | 7.78 cm | 10.35 cm |
| Width | 12.97 cm | 13.45 cm |
| Depth | 8.45 cm | 7.35 cm |
| Weight | 640 g | 735 g |
| Weight Details | Camera body only: 640 g Camera with battery and memory card: 715 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | Weatherproof | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 12.1 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 12,900,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 12,100,000 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) | 120 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration) | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical (Steady Shot with Active Mode) | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Image Processor | BIONZ XR | - |
|---|
| LENS | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Lens Mounting Type | Sony E-mount | Pentax K |
|---|
| FOCUSING | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 759 | 101 |
| AE/AF Control | Eye detection AF, Real-time Eye AF, Real-time Tracking AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF, face-priority AF function | Yes |
| VIEWFINDER | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Viewfinder Type | - | Optical - fixed eye-level pentaprism |
|---|---|---|
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | - | 1.05x |
| Optical Viewfinder Dioptric Correction Range | - | -4 to +1 |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| ISO (Max) | 409600 | 1600000 |
|---|---|---|
| Light Sensitivity | ISO auto (80-12800), ISO 409600, ISO 80-102400, ISO 40 | ISO auto, ISO 100-1600000 |
| Exposure Metering | - | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
| Special Effects | - | 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, Underwater, 2500K - 9900K | 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 | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | - | ±5 EV range, in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/125sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,440,000 pixels | 1,620,000 pixels |
| Display Form Factor | Rotating | Built-in |
| Display Features | - | Colour control, contrast control, display brightness control, night vision LCD display |
| VIDEOGRAPHY / CAMCORDER | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Digital Video Format | H.264, XAVC S, XAVC HS, XAVC S-I | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, HEIF | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | - | 3840 x 2160 |
| Audio Signal Format | Linear PCM, AAC LC | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Memory Card Slot | Dual CFexpress / SD card | Dual SD card |
|---|---|---|
| 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 | - | RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | XAVC S-I - 3840 x 2160 p - 24 - 60 fps XAVC S-I - 1920 x 1080 p - 24 - 60 fps XAVC S - 3840 x 2160 p - 24 - 60 fps XAVC S - 1920 x 1080 p - 24 - 60 fps XAVC HS - 3840 x 2160 p - 24 - 120 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 Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Battery Type | Sony NP-FZ100 | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Video recording - 135 minutes Photo shooting - 600 shots (LCD Monitor on) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Sony Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 5.0 | 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 | Exif Print support | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Tripod Mount Connection Point | 1/4"-20 screw | - |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | HDMI output (19 pin HDMI Type A) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Audio input (XLR / phone stereo 6.3 mm x 2) USB-C 3.2 (USB Type-C) USB (micro-USB) |
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 Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | - | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 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 |
| Additional Features | Built-in speaker, relay recording, fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, double slot recording, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, Flickering Reduction function, assignable buttons, 16-bit RAW data output | 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 Cinema Line ILME-FX3 | Pentax K-3 Mark III |
|---|
| Included Accessories | Body cap, accessory shoe kit, USB-C cable, handle | 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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