In depth comparison and review of Panasonic Lumix G DMC-GX1 and Pentax K-S1. 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 | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Product Type | Digital camera - 1080i - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 6.8 cm | 9.3 cm |
| Width | 11.6 cm | 12 cm |
| Depth | 3.9 cm | 7 cm |
| Weight | 272 g | 485 g |
| Enclosure Colour | Black | Silver | White | Black |
| Digital Zoom | 4x | - |
| SENSOR | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Sensor Resolution | 16.0 Megapixel | 20.12 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 16,680,000 pixels | 20,420,000 pixels |
| Effective Sensor Resolution | 16,000,000 pixels | 20,120,000 pixels |
| Optical Sensor Size | Four Thirds (17.3 x 13.0 mm) | APS-C (23.5 x 15.6 mm) |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Special Protect (SP) coating |
| Sensors | Digital level metre | - |
| PROCESSOR | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Image Processor | Venus Engine | PRIME MII |
|---|
| LENS | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Lens Mounting Type | Micro Four Thirds | Pentax KAF2 |
|---|
| FOCUSING | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Auto Focus | TTL contrast detection | TTL phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 23 | 11 |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF |
| Face Detection | Yes | Yes |
| VIEWFINDER | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Viewfinder Type | - | Optical - fixed eye-level pentaprism |
|---|---|---|
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | - | 0.95x |
| Optical Viewfinder Dioptric Correction Range | - | -2.5 to +1.5 |
| Field of View Crop Factor | 2 | - |
| EXPOSURE & WHITE BALANCE | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| ISO (Max) | 12800 | 51200 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Light Sensitivity | ISO 800, ISO 400, ISO 200, ISO 160, ISO 1600, ISO 6400, ISO 3200, ISO auto, ISO 12800 | ISO 100-51200, ISO auto (100-51200) |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 144 | 77 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority |
| Shooting Programs | Portrait mode, party/indoor, night portrait, PET, scenery, food, illumination snap, flower, night scene, sports mode, sunset, soft skin, baby1, baby2, peripheral defocus, architecture, objects | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette |
| Special Effects | Sepia, miniature, Retro, Expressive, high dynamic, High Key, Low Key, Toy effect | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film, Tone Expansion, Cold vintage, Colour Fade, Bold Monochrome, Unicolour Bold, Clear Tone, Warm Fade, Brilliant Colour, Infrared Filter |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/6000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 7 steps in 1/3, 2/3 or 1 EV steps | - |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/160 sec | 1/180 sec |
| Exposure Range | EV 0-18 (ISO 100) | EV 0-22 (ISO 100) |
| DISPLAY | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 460,000 pixels | 921,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Display brightness control, display colour control, display contrast control | Colour control, display brightness control |
| FLASH | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 7.6 | 10 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation | AF illuminator, flash +/- compensation |
| VIDEOGRAPHY / CAMCORDER | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Digital Video Format | MPEG-4, AVCHD | H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, DNG (RAW) + JPEG, DNG (RAW) |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | Mono |
| Microphone Features | Wind noise reduction, sensitivity control | Sensitivity control |
| MEMORY | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Memory Card Slot | 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, SDXC UHS-I Memory Card |
| Image Storage | JPEG 4592 x 3448 JPEG 3232 x 2424 JPEG 2272 x 1704 JPEG 1824 x 1368 JPEG 4576 x 3056 JPEG 3232 x 2160 JPEG 2272 x 1520 JPEG 1824 x 1216 JPEG 4576 x 2576 JPEG 3232 x 1824 JPEG 1920 x 1080 JPEG 1824 x 1024 JPEG 3424 x 3423 JPEG 2416 x 2416 JPEG 1712 x 1712 |
- |
| Video Capture | MPEG-4 - 1920 x 1080 MPEG-4 - 1280 x 720 MPEG-4 - 640 x 480 AVCHD - 1920 x 1080 AVCHD - 1280 x 720 |
H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
| BATTERY AND CHARGING | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Battery Type | Lithium Ion - manufacturer-specific | Pentax D-Li109 Lithium Ion |
|---|---|---|
| Details | 1 x Li-ion rechargeable battery - 1010 mAh (included) | Pentax D-Li109 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
| CONNECTIONS | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | HDMI |
|---|---|---|
| Print Standard | Direct print, Exif Print support, PictBridge support | DPOF support, Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output HDMI output Remote control |
USB 2.0 HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 2 frames per second, 3 frames per second, 4.2 frames per second, 20 frames per second (4MP) | 3 frames per second, 5.4 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Built-in speaker, RGB primary colour filter, digital noise reduction, date/time stamp, digital image rotation, camera orientation detection, histogram display, cropping an image, resizing an image, Scene Detection Technology, Intelligent Scene Selector, Intelligent Resolution Technology, face detection, Motion Detection Technology, Full-time Live View, Subject Detection technology, Face Recognition, Dolby Digital Stereo Creator, Intelligent Auto (iA), Intelligent D-range Control, text stamp | RGB primary colour filter, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera film editing, in-camera RAW processing, HDR image enhancement technology, hue control, Eye-Fi Card Ready, LED body illumination |
| OTHERS | Panasonic Lumix G DMC-GX1 | Pentax K-S1 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Battery charger, body cap, shoulder strap, eyecup, shoe cap |
|---|---|---|
| Software | Drivers & Utilities, SILKYPIX Developer Studio 3.1 SE, Panasonic PHOTOfunSTUDIO 7.0 HD Edition, Loilo LoiLoScope (Trial) | Drivers & Utilities |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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