- 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.
| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K2000
K2000 vs K-x |
Panasonic GF5
GF5 vs GF6 |
| Successor: |
Pentax K-r
K-x vs K-r |
Panasonic GF7
GF6 vs GF7 |
| General | ||
| Model Number: | K-x | GF6 |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | No |
| Retail Price: | $649.95 | $599.99 |
| Street Price: | $701.76 | $399.95 |
| Date Available: | 2009-10-15 | 2013-06-30 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.9 oz
(791 g)
includes batteries, kit lens |
16.0 oz
(454 g)
includes batteries, kit lens |
| Size: |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
4.4 x
2.6 x
1.5 in. (111 x 65 x 38 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | Live MOS |
| Sensor Manufacturer: | Panasonic | |
| Effective Megapixels: | 12.4 | 16.0 |
| Sensor Format: | APS-C | 4/3 |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 224.9mm2 (17.30mm x 13.00mm) |
| Approximate Pixel Pitch: | 5.53 microns | 3.77 microns |
| Focal Length Multiplier: | 1.5x | 2.0x |
| Aspect Ratio: | 3:2 | 4:3 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | Fixed |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 72 | 54 |
| DxO Color Depth Score (bits): | 22.8 | 20.7 |
| DxO Dynamic Range Score (evs): | 12.5 | 10.6 |
| DxO Maximum Effective ISO Score (iso): | 811 | 622 |
| 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) |
4592 x 3448
(15.8 MP,
4:3), 4592 x 3064 (14.1 MP, 3:2), 4592 x 2584 (11.9 MP, 16:9), 3424 x 3424 (11.7 MP, 1:1), 3232 x 2424 (7.8 MP, 4:3), 3232 x 2160 (7.0 MP, 3:2), 3232 x 1824 (5.9 MP, Other), 2416 x 2416 (5.8 MP, 1:1), 2272 x 1704 (3.9 MP, 4:3), 2272 x 1520 (3.5 MP, Other), 1920 x 1080 (2.1 MP, 16:9), 1712 x 1712 (2.9 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) | JPEG, MPO, RAW, RAW + JPEG |
| Continuous-mode frames/second: | 4.3 | 4.2 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (24)
640x416 (24) |
1920x1080 (60i/50i/30p/25p)
1280x720 (60p/50p/30p/25p) 640x480 (30p/25p) |
| Movie File Format: | AVCHD or MP4, with stereo sound | |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | No |
| Video Usable as Viewfinder: | No | No |
| HD Video Out: | No | Yes |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2/3) | Micro Four Thirds |
| Lens: | smc Pentax DA L 18-55mm f/3.5-5.6 AL | Panasonic LUMIX G VARIO 14-42mm f/3.5-5.6 II ASPH. MEGA O.I.S. |
| Focal Length (35mm equivalent): | 27 - 84mm | 28 - 84mm |
| Focal Length (actual): | 18 - 55mm | 14 - 42mm |
| Zoom Ratio: | 3.00x | 3.00x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 38 (T) | f/3.5 (wide) / f.5.6 (tele) - f/22 |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
20 cm to Infinity 7.9 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | 52.0mm | 46.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | 2x or 4x |
| 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: Face detection, AF Tracking, 23-area-focusing, 1-area-focusing, Pinpoint, Touch |
| 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 | 1,036,800 dots (345,600 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 16.0x | 16.0x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 6400 | 12800 |
| Minimum ISO (native): | 200 | 160 |
| ISO Settings: | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 | Auto, Intelligent ISO, 160, 200, 400, 800, 1600, 3200, 6400, 12800 in 1 or 1/3 EV steps; 25600 extended |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom | Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2, Color Temperature Setting (2,500-10,000K in 100K steps) |
| Shutter Speed Range: | 1/6000 - 30 sec | 1/4000 - 60 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | 16-segment Multi, Center-weighted, Spot | 1728-zone Intelligent Multiple, Center-weighted, 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 | Scene Guide (Clear Portrait, Silky Skin, Backlit Softness, Clear in Backlight, Relaxing Tone, Sweet Child's Face, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool Night Sky, Warm Glowing); Creative Control (Expressive, Retro, Old Days, High Key, Low Key, Sepia, Dynamic Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy POP, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine), Panorama |
| Self Timer: | 2 or 12 seconds | 2, 10, 3 images after 10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless | Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off |
| Flash Guide Number (ISO 100): | 11.3 m / 37.1 ft. | 5.0 m / 16.4 ft. |
| Flash Range Description: | Depends on lens | Lens dependent; GN 6.3m (ISO 160) |
| Max Flash Sync: | 1/180 | 1/160 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | n/a |
| 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) | RAW, RAW + JPEG |
| Movie File Format: | AVCHD or MP4, with stereo sound | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | Yes |
| 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,WiFi |
| PictBridge Compliant: | No | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Via Wi-Fi |
| Connections (extended): | AC adapter available | Mini HDMI (Type-C), Built-in Wi-Fi and NFC, Combined AV/USB connector |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | 0.58 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.43 | 0.62 |
| Buffer size for RAW shooting in single shot mode (frames): | 10 | Unlimited |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.60 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 4.3 | 4.2 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | 28 |
| RAW shooting speed in burst mode (fps): | 3.9 | |
| Buffer size for RAW shooting in burst mode (frames): | 8 | |
| RAW+JPEG shooting speed in burst mode (fps): | 4.0 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 10 | |
| Shutter lag (full AF, wide/mid): | 0.10 seconds | 0.27 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 | 0.092 seconds |
| Shutter lag (full AF, with flash): | 0.23 seconds | 0.40 seconds |
| Shutter Lag (prefocused): | 0.082 seconds | 0.072 seconds |
| Shutter Lag (notes): | Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s | Full AF lag, wide-area mode = 0.277s |
| Startup Time: | 0.6 seconds | 0.8 seconds |
| Play -> Record Time: | 0.2 seconds | 0.8 seconds |
| Flash cycle time, full power: | 3.3 seconds | 3.6 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 340 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | 4 x AA | Proprietary (7.2V, 1025mAh) |
| Usable Battery Types: | Lithium, Alkaline disposables; NiMH rechargeables | Lithium-ion rechargeable |
| Batteries Included: | 4 x AA Alkaline disposables | 1 x Proprietary 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 | PHOTOfunSTUDIO 9.2 AE, SILKYPIX Developer Studio 3.1 SE, Super LoiloScope (trial), USB Driver |
| OS Compatibility: | Windows XP/Vista/7, MacOS-X 10.3+ | |
| 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. | Tilting Cell Touch 1040K-dot LCD, Built-in Wi-Fi (IEEE 802.11b/g/n, 2412MHz - 2462MHz (11ch), WPA / WPA2, Infrastructure mode), NFC. Available in black, white, brown or red. |
