Side by side comparison and review of Pentax K-3 Mark III and Panasonic Lumix DC-S1. 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 Mark III | Panasonic Lumix DC-S1 |
|---|
| Product Type | Digital camera - 4K - SLR with Live View mode, movie recording | Digital camera - 6K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.35 cm | 11 cm |
| Width | 13.45 cm | 14.89 cm |
| Depth | 7.35 cm | 9.67 cm |
| Weight | 735 g | 899 g |
| Weight Details | Camera body only: 735 g Camera with battery and memory card: 820 g |
Camera body only: 899 g Camera with battery and memory card: 1.02 kg |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Silver | - |
| Protection | Weatherproof, dust-resistant | Dust-resistant, splash-resistant |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Sensor Resolution | 25.73 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 26,780,000 pixels | 25,280,000 pixels |
| Effective Sensor Resolution | 25,730,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.3 x 15.5 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Supersonic Wave Filter (SWF) |
| Image Stabiliser | Optical SR II (5-axis image sensor shift mechanism) | Optical (5-Axis Dual I.S. 2.0) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
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| Image Processor | - | Venus Engine |
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| LENS | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
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| Lens Mounting Type | Pentax K | L-Mount |
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| FOCUSING | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 101 | 225 |
| Auto Focus Features | - | Focus Peaking function, Depth From Defocus (DFD) technology, Advanced Recognition technology |
| AE/AF Control | Auto-area AF, Zone AF, Expanded area AF | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF, Predictive AI Servo AF |
| Face Detection | Yes | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| 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 | 1.05x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +1 | -4 to +2 |
| Field of View Crop Factor | - | 1.0 |
| Features | Auto eye sensor | Auto eye sensor, magnification ratio control |
| EXPOSURE & WHITE BALANCE | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| ISO (Max) | 1600000 | 51200 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-1600000 | ISO 50, ISO auto, ISO 102400, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight-weighted | Multi-segment, centre-weighted, spot, highlight weighted |
| Exposure Metering Zones | - | 1728 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Depth of field bracketing, motion bracketing | Focus bracketing, white balance bracketing, aperture 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 | Sepia, Vivid, soft focus, natural, monochrome, Flat, landscape, portrait, miniature, Cross Process, Retro, Expressive, high dynamic, Bleach Bypass, High Key, Low Key, Toy effect, Star Filter, Impressive Art, One Point Colour, Dynamic Monochrome, Sunshine, Old Days, Toy Pop, Fantasy, Rough Monochrome, Silky Monochrome, Standard, L. Monochrome, L. Monochrome D, Cinelike D, Cinelike V, L. Classic Neo, L. Monochrome S, Like709, V-Log, Like2100 (HLG) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) |
| Shutter Type | Electronic, mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/16000 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 | - | 3, 5, 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/200sec | 1/320 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 0-18 (ISO 100) |
| DISPLAY | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Type | 3.2" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,620,000 pixels | 2,100,000 pixels |
| Display Form Factor | Built-in | Tilting (3-way) |
| Display Features | Colour control, contrast control, display brightness control, night vision LCD display | - |
| FLASH | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Camera Flash | - | External flash |
|---|---|---|
| Flash Modes | - | Auto mode, red-eye reduction, forced, slow sync |
| Red-Eye Reduction | - | Yes |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Digital Video Format | H.264, MOV | - |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, HLG Photo |
| Max Video Resolution | 3840 x 2160 | 5184 x 3456 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | Wind noise reduction |
| MEMORY | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Memory Card Slot | Dual SD card | SD card, XQD Memory 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, XQD Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress |
| 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 |
6000 x 4000 4272 x 2848 3024 x 2016 12000 x 8000 - High Resolution Mode 5328 x 4000 RAW 3792 x 2848 2688 x 2016 RAW 10656 x 8000 - High Resolution Mode 4000 x 4000 2848 x 2848 2016 x 2016 RAW 8000 x 8000 - High Resolution Mode 6000 x 3000 6000 x 2208 |
| Video Capture | 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 |
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| BATTERY AND CHARGING | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Li-ion rechargeable battery - 3050 mAh (included) |
| Battery Life | Photo shooting - 800 shots Playback - 250 minutes |
Photo shooting - 380 shots (LCD Monitor on) Photo shooting - 360 shots (EVF on) Photo shooting - 1100 shots (Power Save LVF Shooting mode) |
| CONNECTIONS | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Interface | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB 3.1, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer | - |
| Print Standard | Exif Print support | Direct print, Exif Print support, PictBridge support |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | 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) |
USB 3.1 Gen 1 (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone 3.5mm) Remote control (sub-mini phone 2.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 12 frames per second, 7 frames per second | 2 frames per second, 5 frames per second, 9 frames per second, 30 frames per second, 6 frames per second, 60 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | 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 | Audio recording, date/time stamp, USB powered, USB charging, Light Speed AF, primary colour filter, Focus Stacking, Post Focus function, Touch AE function, white balance shift |
| OTHERS | Pentax K-3 Mark III | Panasonic Lumix DC-S1 |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover | Battery charger, body cap, shoulder strap, AC power adaptor, battery grip terminal cover, cable holder, hot shoe cover, USB-C cable, USB-C to USB-A cable, flash synchro socket cap |
|---|---|---|
| Software | Digital Camera Utility 5 | SILKYPIX Developer Studio, LUMIX Tether, Panasonic PHOTOfunSTUDIO 10.1 Premium Edition |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Service & Support | Limited warranty - 1 year | - |
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