- APS-C 369.7mm2
- 12.4 megapixels
- ISO 200 - 6400
- Go in depth with our full Pentax K-x Review.
- See real-world photos taken with the K-x.
- APS-C 369.0mm2
- 19.6 megapixels
- 75.00mm (35mm eq.)
- Go in depth with our full Sigma dp3 Quattro Review.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K2000
K2000 vs K-x |
|
| Successor: |
Pentax K-r
K-x vs K-r |
|
| General | ||
| Model Number: | K-x | dp3 Quattro |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Mid-Sized |
| Currently Manufactured: | No | Yes |
| Retail Price: | $649.95 | $999.00 |
| Street Price: | $701.76 | $999.00 |
| Date Available: | 2009-10-15 | 2015-04-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.9 oz
(791 g)
includes batteries, kit lens |
16.4 oz (465 g) |
| Size: |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
6.4 x
2.6 x
4.0 in. (161 x 67 x 102 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Foveon X3 Quattro | |
| Effective Megapixels: | 12.4 | 19.6 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 368.95mm2 (23.50mm x 15.70mm) |
| Approximate Pixel Pitch: | 5.53 microns | 4.33 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | Full Color |
| Anti Aliasing Filter: | Fixed | Not needed |
| Self-Cleaning: | Yes | No |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 72 | |
| DxO Color Depth Score (bits): | 22.8 | |
| DxO Dynamic Range Score (evs): | 12.5 | |
| DxO Maximum Effective ISO Score (iso): | 811 | |
| Image Capture | ||
| Image Resolution: |
4288 x 2848
(12.2 MP,
Other), 3936 x 2624 (10.3 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1728 x 1152 (2.0 MP, 3:2) |
5424 x 3616
(19.6 MP,
3:2), 4816 x 3616 (17.4 MP, 4:3), 5424 x 3048 (16.5 MP, 16:9), 3616 x 3616 (13.1 MP, 1:1), 5424 x 2328 (12.6 MP, Other), 2704 x 1808 (4.9 MP, 3:2), 2400 x 1808 (4.3 MP, 4:3), 2704 x 1520 (4.1 MP, 16:9), 1808 x 1808 (3.3 MP, 1:1), 2704 x 1160 (3.1 MP, Other), 7680 x 5120 (39.3 MP, 3:2), 6816 x 5120 (34.9 MP, 4:3), 7680 x 4320 (33.2 MP, 16:9), 5120 x 5120 (26.2 MP, 1:1), 7680 x 3296 (25.3 MP, Other) |
| Image File Format: | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) | JPEG (EXIF 2.3), 14-bit RAW (.X3F), RAW+JPEG |
| Continuous-mode frames/second: | 4.3 | n/a |
| Video Capture | ||
| Can take movies: | Yes | No |
| Movie Resolution: |
1280x720 (24)
640x416 (24) |
|
| Movie File Format: | ||
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | No | No |
| HD Video Connection: | ||
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2/3) | n/a |
| Lens: | smc Pentax DA L 18-55mm f/3.5-5.6 AL | Sigma Lens; 10 elements in 8 groups |
| Focal Length (35mm equivalent): | 27 - 84mm | 75mm |
| Focal Length (actual): | 18 - 55mm | 50mm |
| Zoom Ratio: | 3.00x | 1.00x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 38 (T) | f/2.8 - f/16, with 7-bladed diaphragm |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
100 cm to Infinity 39.4 in to Infinity |
|
| Macro Focus Range: |
23 cm to Infinity 8.9 in to Infinity |
|
| Filter Thread: | 52.0mm | 58.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | |
| Digital Zoom Values: | n/a | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | SAFOX VIII TTL phase-detect 11 point (9 cross) AF: 11 pt auto, 5 pt auto, AF pt select, center/spot | Contrast Detection: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF mode |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | No / LCD |
| Viewfinder Type: | SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter | |
| Focus Peaking: | No | No |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.57x | |
| Viewfinder Magnification (nominal/claimed): | 0.85x | |
| Display | ||
| Eye-level Viewfinder: | Yes | No |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 921,600 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | 10.0x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 6400 | 6400 |
| Minimum ISO (native): | 200 | 100 |
| ISO Settings: | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 | Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom | Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom |
| Shutter Speed Range: | 1/6000 - 30 sec | 1/2000 - 30 sec |
| Bulb Mode: | Yes | No |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | 16-segment Multi, Center-weighted, Spot | Evaluative, center-weighted average, spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Auto Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Picture (Portrait, Landscape, Macro, Action, Night Scene Portrait, Standard Flash Off), Scene (Night Scene, Surf & Snow, Food, Sunset, Kids, Pet, Candlelight, Museum, Stage Lighting [JPG], Night Snap [JPG]), Sensitivity Priority | Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome |
| Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless | Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit) |
| Flash Guide Number (ISO 100): | 11.3 m / 37.1 ft. | n/a |
| Flash Range Description: | Depends on lens | Optional EF-140S compact flash has GN=14m (ISO 100) |
| Max Flash Sync: | 1/180 | 1/1250 at F2.8, 1/1600 at F4 and 1/2000 at F5.6 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 3.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | 14-bit RAW (.X3F), RAW+JPEG |
| Movie File Format: | ||
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | No |
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | No |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Via USB cable switch |
| Connections (extended): | AC adapter available | |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.43 | |
| Buffer size for RAW shooting in single shot mode (frames): | 10 | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 4.3 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | |
| RAW shooting speed in burst mode (fps): | ||
| Buffer size for RAW shooting in burst mode (frames): | ||
| RAW+JPEG shooting speed in burst mode (fps): | ||
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | ||
| Shutter lag (full AF, wide/mid): | 0.10 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.082 seconds | |
| Shutter lag (full AF, with flash): | 0.23 seconds | |
| Shutter Lag (prefocused): | 0.082 seconds | |
| Shutter Lag (notes): | Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s | |
| Startup Time: | 0.6 seconds | |
| Play -> Record Time: | 0.2 seconds | |
| Flash cycle time, full power: | 3.3 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 200 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | 4 x AA | Proprietary BP-51 |
| Usable Battery Types: | Lithium, Alkaline disposables; NiMH rechargeables | Lithium-ion rechargeable |
| Batteries Included: | 4 x AA Alkaline disposables | 2 x Proprietary BP-51 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | No | Yes |
| Dedicated Battery Charger Included: | Yes | |
| Internal Charging Supported: | No | |
| Software | ||
| Included Software: | CD-ROM | SIGMA Photo Pro |
| OS Compatibility: | Windows XP/Vista/7, MacOS-X 10.3+ | Windows, Mac OS |
| Miscellaneous | ||
| Notes & Features: | Sensor-shift shake reduction, 720p HD video capture, Live View with face detection. Available in black or white. Limited edition colors of red and navy will become available at select locations to be announced. | New Foveon X3 Quattro sensor and TRUE III image processing engine. |
