| 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: | TL225 | K-x |
| Alternate Model Number(s): | ST550 | |
| Camera Format: | Compact | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $350.00 | $649.95 |
| Street Price: | $701.76 | |
| Date Available: | 2009-09-30 | 2009-10-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
5.8 oz
(164 g)
includes batteries |
27.9 oz
(791 g)
includes batteries, kit lens |
| Size: |
3.9 x
2.4 x
0.7 in. (100 x 60 x 19 mm) |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CCD | CMOS |
| Sensor Manufacturer: | ||
| Effective Megapixels: | 12.2 | 12.4 |
| Sensor Format: | 1/2.33 inch | APS-C |
| Sensor size: | 28.198mm2 (6.13mm x 4.6mm) | 369.72mm2 (23.7mm x 15.6mm) |
| Approximate Pixel Pitch: | 1.53 microns | 5.53 microns |
| Focal Length Multiplier: | n/a | 1.5x |
| Aspect Ratio: | 4:3, 16:9 | 3:2 |
| Color Filter Type: | RGBG | |
| Anti Aliasing Filter: | Fixed | |
| Self-Cleaning: | No | Yes |
| Sensor shift image stabilization: | No | 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: |
4000 x 3000
(12.0 MP,
4:3), 3984 x 2656 (10.6 MP, 3:2), 3840 x 2160 (8.3 MP, 16:9), 3264 x 2448 (8.0 MP, 4:3), 2560 x 1920 (4.9 MP, 4:3), 2048 x 1536 (3.1 MP, 4:3), 1920 x 1080 (2.1 MP, 16:9), 1024 x 768 (0.8 MP, 4:3) |
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) | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) |
| Continuous-mode frames/second: | n/a | 4.3 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (30/15)
640x480 (30/15) 320x240 (60/30/15) |
1280x720 (24)
640x416 (24) |
| Movie File Format: | H.264 (MPEG4.AVC) | |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | No | |
| HD Video Out: | Yes | No |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | n/a | Pentax K (KA/KAF/KAF2/3) |
| Lens: | Schneider-Kreuznach Varioplan | smc Pentax DA L 18-55mm f/3.5-5.6 AL |
| Focal Length (35mm equivalent): | 27 - 124mm | 27 - 84mm |
| Focal Length (actual): | 4.9 - 22.5mm | 18 - 55mm |
| Zoom Ratio: | 4.60x | 3.00x |
| Aperture Range: | f/3.5 (wide) / f/5.9 (tele) - ??? | f/3.5 - 22 (W), f/5.6 - 38 (T) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
80 cm to Infinity 31.5 in to Infinity |
|
| Macro Focus Range: |
5 -
80 cm 2.0 - 31.5 in |
|
| Filter Thread: | n/a | 52.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | Yes | No |
| Digital Zoom: | Yes | No |
| Digital Zoom Values: | 5x | n/a |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | Contrast Detection TTL | 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 | Yes |
| Manual Focus: | No | Yes |
| Viewfinder | ||
| Viewfinder: | LCD | Optical / 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: | No | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.5 | 2.7 |
| Rear Display Resolution: | 1,152,000 dots | 230,000 dots |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | |
| Top Deck Display: | No | |
| Exposure | ||
| Maximum ISO (native): | 6400 | |
| Minimum ISO (native): | 200 | |
| ISO Settings: | 80, 100, 200, 400, 800, 1600, 3200 | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 |
| Auto ISO Mode: | No | Yes |
| White Balance Settings: | Auto, Daylight, Cloudy, Fluorescent H, Fluorescent L, Tungsten, Manual | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom |
| Shutter Speed Range: | 1/2000 - 8 sec | 1/6000 - 30 sec |
| Bulb Mode: | No | Yes |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 2.0EV in 0.3EV steps |
| Metering Modes: | Multi-pattern, center-weighted, spot, face detection | 16-segment Multi, Center-weighted, Spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | No | Yes |
| Shutter Priority: | No | Yes |
| Full Manual Exposure: | No | Yes |
| Creative Exposure Modes: | Action, Backlight, Backlight Portrait, Beach, Beauty shot, Blue Sky, Children, Close up Text, Dawn, Fireworks, Frame Guide, Landscape, Macro, Macro Portrait, Macro Text, Natural Green, Natural Portrait, Night, Night Portrait, Portrait, Snow, Sunset, Tripod, White | 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 10 seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | No | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | Auto, Auto w/ red-eye reduction, On, Slow-sync, Off | On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless |
| Flash Guide Number (ISO 100): | n/a | 11.3 m / 37.1 ft. |
| Flash Range Description: | n/a | Depends on lens |
| Max Flash Sync: | 1/180 | |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | |
| External Flash Connection: | n/a | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | microSD / microSDHC | SD / SDHC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | No | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | |
| Movie File Format: | H.264 (MPEG4.AVC) | |
| Included Memory: | 55.0 MB | No memory included |
| Included Memory Type: | built-in memory | |
| 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: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional Wireless | Optional IR |
| Connections (extended): | HDMI connectivity requires optional adapter. | AC adapter available |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 1.91 | 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? | Yes | 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): | 0.36 seconds | 0.10 seconds |
| Shutter lag (full AF, tele): | 0.47 seconds | |
| 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): | 0.126 seconds | 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: | 1.9 seconds | 0.6 seconds |
| Play -> Record Time: | 0.2 seconds | |
| Flash cycle time, full power: | 4.5 seconds | 3.3 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 180 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary SLB-07A | 4 x AA |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium, Alkaline disposables; NiMH rechargeables |
| Batteries Included: | 1 x Proprietary SLB-07A Lithium-ion rechargeable | 4 x AA Alkaline disposables |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | No |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | CD-ROM | |
| OS Compatibility: | Windows XP/Vista/7, MacOS-X 10.3+ | |
| Miscellaneous | ||
| Notes & Features: | Rear-panel LCD is a touch-panel with gesture support and haptic feedback. You can mark an X on an image to delete it, or an O to rotate it. When an on-screen button is touched the screen vibrates gently as a form of tactile confirmation. Also has "hidden" secondary low-res 1.5", 61,000 dot LCD touch panel on front of camera which is used as a viewfinder for self portrait modes, and can also show a timer countdown, the camera's key settings, a "Smiley" prompt for the Smile Shutter feature, or an animation to attract a child's attention and have them look at the camera. | 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. |
