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Model Name: Pentax K-x 
Prices: Compare Prices
Manufacturer URL: Manufacturer website
Predecessor: Pentax K2000
K2000 vs K-x
Successor: Pentax K-r
K-x vs K-r
Model Number: K-x
Camera Format: SLR
Currently Manufactured: No
Retail Price: $649.95
Street Price: $701.76
Date Available: 2009-10-15
Tripod Mount: Yes
Weight: 27.9 oz (791 g)
includes batteries, kit lens
Size: 4.8 x 3.6 x 2.7 in.
(122 x 92 x 69 mm)
Waterproof: No
Waterproof Depth: n/a
Image Sensor
Sensor Type: CMOS
Sensor Manufacturer:  
Effective Megapixels: 12.4
Sensor Format: APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.53 microns
Focal Length Multiplier: 1.5x
Aspect Ratio: 3:2
Color Filter Type: RGBG
Anti Aliasing Filter: Fixed
Self-Cleaning: Yes
Sensor shift image stabilization: Yes
On-Sensor Phase Detect: 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)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: 4.3
Video Capture
Can take movies: Yes
Movie Resolution: 1280x720 (24)
640x416 (24)
Movie File Format:  
Composite Video Out: Yes
NTSC/PAL Switchable Video: Yes
Video Usable as Viewfinder: No
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2/3)
Lens: smc Pentax DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 27 - 84mm
Focal Length (actual): 18 - 55mm
Zoom Ratio: 3.00x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 38 (T)
Normal Focus Range:  
Macro Focus Range:  
Filter Thread: 52.0mm
Thread Type: n/a
Optical Image Stabilization: No
Digital Zoom: No
Digital Zoom Values: n/a
Auto Focus
Auto Focus: 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
Auto Focus Assist Light? Yes
Manual Focus: Yes
Viewfinder: Optical / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter
Focus Peaking: No
EVF Resolution: n/a
Viewfinder Magnification (35mm equivalent): 0.57x
Viewfinder Magnification (nominal/claimed): 0.85x
Eye-level Viewfinder: Yes
Rear Display: Yes
Rear Display Size (inches): 2.7
Rear Display Resolution: 230,000 dots
Touchscreen: No
Articulating Screen: No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 16.0x
Top Deck Display: No
Maximum ISO (native): 6400
Minimum ISO (native): 200
ISO Settings: Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800
Auto ISO Mode: Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom
Shutter Speed Range: 30 - 1/6000
Bulb Mode: Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps
Metering Modes: 16-segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes
Aperture Priority: Yes
Shutter Priority: Yes
Full Manual Exposure: 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
Self Timer: 2 or 12 seconds
Time Lapse (intervalometer):  
High Resolution Composite: No
Built-in Flash: Yes
Flash Modes: On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless
Flash Guide Number (ISO 100): 11.3 m / 37.1 ft.
Flash Range Description: Depends on lens
Max Flash Sync: 1/180
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC
UHS Support:  
Other Memory:  
Dual Card Slots: No
RAW Capture Support: Yes
Uncompressed Format: 12-bit RAW (.PEF, .DNG)
Movie File Format:  
Included Memory: No memory included
Included Memory Type:  
Built-In Wi-Fi: No
Bluetooth: No
Built-In GPS: No
Microphone Jack: No
Headphone Jack: No
External Connections: USB 2.0 High Speed
PictBridge Compliant: No
DPOF Compliant: Yes
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
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
Battery Life, Stills (CIPA Rating Monitor/Live View):  
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots (NiMH AA)
Battery Life, Video:  
Battery Form Factor: 4 x AA
Usable Battery Types: Lithium, Alkaline disposables; NiMH rechargeables
Batteries Included: 4 x AA Alkaline disposables
Battery Charger Included (dedicated charger or AC/USB adapter): No
Dedicated Battery Charger Included:
Internal Charging Supported:
Included Software: CD-ROM
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3+
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.

Pentax K-x

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