Side by side comparison and review of Pentax K-3 II and Olympus OM System 1. 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 | Pentax K-3 II | Olympus OM System 1 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.25 cm | 9.16 cm |
| Width | 13.15 cm | 13.48 cm |
| Depth | 7.75 cm | 7.27 cm |
| Weight | 700 g | 511 g |
| Weight Details | - | Camera body only: 511 g Camera with battery and memory card: 599 g |
| Body Material | Stainless steel, magnesium alloy | - |
| Enclosure Colour | Black | - |
| Protection | Weatherproof, freezeproof, dust-resistant | Splashproof, freezeproof, dust-proof, IP53 |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 II | Olympus OM System 1 |
|---|
| Sensor Resolution | 24.35 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Stacked BSI Live MOS |
| Total Pixels | 24,710,000 pixels | 22,900,000 pixels |
| Effective Sensor Resolution | 24,350,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Supersonic Wave Filter (SWF) |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | Accelerometer, magnetometer, digital level metre | Digital level metre |
| PROCESSOR | Pentax K-3 II | Olympus OM System 1 |
|---|
| Image Processor | - | TruePic X |
|---|
| LENS | Pentax K-3 II | Olympus OM System 1 |
|---|
| Lens Mounting Type | Pentax K | Micro Four Thirds |
|---|
| FOCUSING | Pentax K-3 II | Olympus OM System 1 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 1053 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | - | AI Focus AF |
| Face Detection | Yes | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Pentax K-3 II | Olympus OM System 1 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 5,760,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | - |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Field of View Crop Factor | - | 2 |
| Interchangeable Focusing Screens | Yes | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 II | Olympus OM System 1 |
|---|
| ISO (Max) | 51200 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | - |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 80 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 200-102400, ISO 80-102400 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | - | 324 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | - |
| Bracketing Modes | - | Art Filter bracketing, Dynamic Range Bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing |
| Special Effects | 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 | Monotone, Vivid, soft focus, natural, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, Instant Film, Colour Creator, Underwater |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | 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 | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/32000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 2, 3 or 5 steps | - |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec, 1/8000 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -5.5-19 (ISO 100) |
| DISPLAY | Pentax K-3 II | Olympus OM System 1 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control, contrast control, display brightness control | - |
| FLASH | Pentax K-3 II | Olympus OM System 1 |
|---|
| Camera Flash | - | External flash |
|---|---|---|
| Flash Modes | - | Fill-in mode, slow synchro, flash OFF mode |
| Features | - | AF illuminator |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 II | Olympus OM System 1 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, MOV, H.265, MPEG-4 AVC |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 4096 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Pentax K-3 II | Olympus OM System 1 |
|---|
| Memory Card Slot | Dual SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory 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 | - |
| Image Storage | RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
5184 x 3888 |
| Video Capture | 1920 x 1080 1280 x 720 |
- |
| BATTERY AND CHARGING | Pentax K-3 II | Olympus OM System 1 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Olympus BLX-1 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Olympus BLX-1 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 720 shots Playback - 6.2 hours |
- |
| CONNECTIONS | Pentax K-3 II | Olympus OM System 1 |
|---|
| Interface | Composite video/audio, HDMI, USB 3.0 | HDMI, USB-C, IEEE 802.11b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Print Standard | Exif Print support | Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 3.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
USB 3.0 (USB Type-C) Remote control input (sub-mini phone 2.5 mm) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-3 II | Olympus OM System 1 |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec, custom |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second, 8.3 frames per second | 120 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Audio recording, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, High ISO NR, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, colour fringe correction | Built-in speaker, auto power save, histogram display, in-camera red-eye removal, cropping an image, resizing an image, shadow point display, interval shooting mode, highlight point display, USB charging, in-camera RAW processing, HDR image enhancement technology, high-speed recording, Dual Axis Electronic Level, silent shooting, GPS via mobile, multiple exposure capture, Focus Stacking, anti-flicker, Hybrid Log-Gamma (HLG) recording, 80-megapixel High Resolution mode |
| OTHERS | Pentax K-3 II | Olympus OM System 1 |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover | Shoulder strap, AC power adaptor, USB cable, cable clip, cable protector |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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