• APS-C 369.7mm2
  • 12.4 megapixels
  • ISO 200 - 6400
  • APS-C 370.5mm2
  • 16.2 megapixels
  • 35.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K-x
  • Leica X-U (Typ 113)
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 X-U (Typ 113)
Alternate Model Number(s):    
Camera Format: SLR Mid-Sized
Currently Manufactured: No Yes
Retail Price: $649.95 $2950.00
Street Price: $701.76 $3,495.00
Date Available: 2009-10-15 2015-01-31
Tripod Mount: Yes Yes
Weight: 27.9 oz (791 g)
includes batteries, kit lens 		22.4 oz (635 g)
includes batteries
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm) 		5.5 x 3.1 x 3.5 in.
(140 x 79 x 88 mm)
Waterproof: No Yes
Waterproof Depth: n/a 49.00 feet (15 meters)
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.4 16.2
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 370.52mm2 (23.60mm x 15.70mm)
Approximate Pixel Pitch: 5.53 microns 4.77 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
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) 		4944 x 3278 (16.2 MP, Other),
4928 x 3264 (16.1 MP, Other),
4272 x 2856 (12.2 MP, 3:2),
3264 x 2160 (7.1 MP, Other),
2144 x 1424 (3.1 MP, Other),
1632 x 1080 (1.8 MP, Other)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) JPEG, .DNG RAW, RAW+JPEG
Continuous-mode frames/second: 4.3 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x416 (24) 		1920x1080 (30p)
1280x720 (30p)
Movie File Format:   MP4 with stereo audio
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 Leica Summilux 23mm f/1.7 ASPH, 10 elements in8 groups with 4 aspherical surfaces, UW protective glass
Focal Length (35mm equivalent): 27 - 84mm 35mm
Focal Length (actual): 18 - 55mm 23mm
Zoom Ratio: 3.00x 1.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T) f/1.7 - f/16.0 in 1/3EV steps
Integrated ND Filter: No No
Normal Focus Range:   20 cm to Infinity
7.9 in to Infinity
Macro Focus Range:    
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a 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: 1-point, 11-point, spot, face detection
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 920,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 12500
Minimum ISO (native): 200 100
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12500
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom Auto, Incandescent, Daylight, Flash, Cloudy, Shade, 2 manual settings, manual color temperature setting with fine tuning
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 Multi-field, 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 Underwater Mode (adjusts white balance and distortion control)
Self Timer: 2 or 12 seconds 2 or 12 seconds
Time Lapse (intervalometer):   No
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 Automatic, automatic/red eye reduction, On, On/red eye reduction, long-term synchronization/red eye reduction, Off
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft. 5.0
Flash Range Description: Depends on lens ISO 100: Approx. 0.3 - 2.0 m
Max Flash Sync: 1/180 1/2000
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe n/a
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG) .DNG RAW, RAW+JPEG
Movie File Format:   MP4 with stereo audio
Included Memory: 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
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes
Remote Control Type: Optional IR  
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 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 25 7
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):   450 shots
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA)  
Battery Life, Video:    
Battery Form Factor: 4 x AA Proprietary
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 Free Adobe Lightroom Download
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. Waterproof up to 49 feet (15 meters) and shockproof to falls from 4 feet (1.2 meters).