- 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 |
|
| Successor: |
Pentax K-r
K-x vs K-r |
|
| General | ||
| Model Number: | K-x | SL2-S |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $649.95 | $4895.00 |
| Street Price: | $701.76 | |
| Date Available: | 2009-10-15 | 2020-12-21 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.9 oz
(791 g)
includes batteries, kit lens |
32.8 oz
(931 g)
includes batteries |
| Size: |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
5.7 x
4.2 x
3.3 in. (146 x 107 x 83 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | ||
| Effective Megapixels: | 12.4 | 24.6 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 864mm2 (36.00mm x 24.00mm) |
| Approximate Pixel Pitch: | 5.53 microns | 5.93 microns |
| Focal Length Multiplier: | 1.5x | 1.0x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | None |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| 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) |
6072 x 4056 (24.6 MP, 3:2) |
| Image File Format: | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) | JPEG, .DNG RAW (14-bit), RAW+JPEG |
| Continuous-mode frames/second: | 4.3 | 25.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (24)
640x416 (24) |
4096x2160 (60p/50p/30p/25p/24p)
3840x2160 (60p/50p/30p/25p/24p) 1920x1080 (180p/120p/100p/60p/50p/30p/25p/24p) |
| Movie File Format: | MP4: H.264/MPEG-4 AVC (Audio Format: 2ch 48 kHz/16 bit, AAC), MOV: H.264/MPEG-4 AVC (Audio Format: 2ch 48 kHz/16 bit, AC-3) | |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | No | n/a |
| HD Video Out: | No | Yes |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2/3) | Leica L bayonet |
| Lens: | smc Pentax DA L 18-55mm f/3.5-5.6 AL | n/a |
| 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) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: | ||
| Macro Focus Range: | ||
| Filter Thread: | 52.0mm | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| 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-detect AF with depth mapping "Leica Object Detection AF": 225 zones; Spot (can be shifted), Field (can be shifted), Multi-Field, Zone, Face detection, object Tracking, optional Touch AF; Smart AF (autonomously selects AFs and AFc), AFs (picture taken only after successful focusing), AFc (picture can be taken at any time), AF setting can be saved |
| Auto Focus Assist Light? | Yes | No |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | EVF / LCD |
| Viewfinder Type: | SLR type; fixed eye-level pentamirror, 96% coverage, 0.85x mag., -2.5 to +1.5 diopter | EVF: 5.76M-dot "EyeRes" OLED, 0.78x magnification (50mm lens at infinity, -1dpt), 100% coverage, 21mm eyepoint, -4 to +2 diopter, 120 fps, eye sensor |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 5,760,000 dots (1,920,000 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.57x | |
| Viewfinder Magnification (nominal/claimed): | 0.85x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.2 |
| Rear Display Resolution: | 230,000 dots | 2,100,000 dots |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | |
| Top Deck Display: | No | Yes |
| Exposure | ||
| Maximum ISO (native): | 6400 | 100000 |
| Minimum ISO (native): | 200 | 50 |
| ISO Settings: | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 | Auto, ISO 50 to 100,000 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom | Auto, Daylight 5200 K, Cloudy 6000 K, Shade 7000 K, Tungsten 3200 K, HMI 5600 K, Fluorescent warm 4000 K, Fluorescent cool 4500 K, Flash 5400 K, Grey Card, Grey Card Live View, Manual color temperature 2000K to 11500K |
| Shutter Speed Range: | 1/6000 - 30 sec | 1/16000 - 500 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 | 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 | |
| Self Timer: | 2 or 12 seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | 187.0 megapixels |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless | TTL Auto, Manual |
| Flash Guide Number (ISO 100): | 11.3 m / 37.1 ft. | n/a |
| Flash Range Description: | Depends on lens | n/a |
| Max Flash Sync: | 1/180 | 1/250 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | No |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | UHS-II | |
| Other Memory: | Both slots support UHS-II | |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | .DNG RAW (14-bit), RAW+JPEG |
| Movie File Format: | MP4: H.264/MPEG-4 AVC (Audio Format: 2ch 48 kHz/16 bit, AAC), MOV: H.264/MPEG-4 AVC (Audio Format: 2ch 48 kHz/16 bit, AC-3) | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | No |
| Bluetooth: | No | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | No | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed | USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | No |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Wired or via Wi-Fi/Bluetooth |
| Connections (extended): | AC adapter available | USB 3.1 Gen1 Type C, HDMI 2.0b Type A; 3.5mm mic/remote and headphone/remote jacks; Multifunctional interface in baseplate for optional handgrip |
| 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 | 25.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | Unlimited |
| 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): | ||
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | 4 x AA | Proprietary BP-SCL4 |
| Usable Battery Types: | Lithium, Alkaline disposables; NiMH rechargeables | Lithium-ion rechargeable |
| Batteries Included: | 4 x AA Alkaline disposables | 1 x Proprietary BP-SCL4 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | No | Yes |
| Dedicated Battery Charger Included: | Yes | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | CD-ROM | Leica PHOTOS |
| 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. | |
