| 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 |
Sony A9 II
A9 vs A9 II |
| General | ||
| Model Number: | K-x | A9 |
| Alternate Model Number(s): | ILCE-9 | |
| Camera Format: | SLR | Compact System Camera |
| Currently Manufactured: | No | Yes |
| Retail Price: | $649.95 | $4499.00 |
| Street Price: | $701.76 | $2,995.00 |
| Date Available: | 2009-10-15 | 2017-04-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.9 oz
(791 g)
includes batteries, kit lens |
23.7 oz
(673 g)
includes batteries |
| Size: |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
5.0 x
3.8 x
2.5 in. (127 x 96 x 63 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 12.4 | 24.2 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 847.28mm2 (35.60mm x 23.80mm) |
| 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 | Fixed |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 72 | 92 |
| DxO Color Depth Score (bits): | 22.8 | 24.9 |
| DxO Dynamic Range Score (evs): | 12.5 | 13.3 |
| DxO Maximum Effective ISO Score (iso): | 811 | 3,517 |
| 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) |
6000 x 4000
(24.0 MP,
3:2), 3936 x 2624 (10.3 MP, 3:2), 3008 x 2000 (6.0 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 3936 x 2216 (8.7 MP, 16:9), 3008 x 1688 (5.1 MP, 16:9) |
| Image File Format: | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) | JPEG (EXIF 2.31), RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG |
| Continuous-mode frames/second: | 4.3 | 20.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (24)
640x416 (24) |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p) 1280x720 (30p/25p) 1920x1080 (1p/2p/3p/4p/6p/8p/12p/15p) |
| Movie File Format: | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | |
| 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) | Sony E |
| 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 | No |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | Up to 4x; up to 2x Clear Image Digital Zoom |
| 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 | Fast Hybrid AF: Wide (693 points (phase-detection AF), 25 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot / Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L) / Expanded Flexible Spot) |
| Auto Focus Assist Light? | Yes | Yes |
| 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: 1.3 cm (0.5 type) 3,686K-dot Quad VGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1 (CIPA standard), STD 60fps / HI 120fps, eye sensor |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 3,686,400 dots (1,228,800 pixels) |
| Viewfinder Magnification (35mm equivalent): | 0.57x | 0.78x |
| Viewfinder Magnification (nominal/claimed): | 0.85x | 0.78x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 1,440,000 dots (360,000 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | 15.0x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 6400 | 51200 |
| Minimum ISO (native): | 200 | 100 |
| ISO Settings: | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 | AUTO, ISO 100 - 51200, expandable to ISO 50 - 204800 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom | Auto (with Priority), Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Underwater, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) |
| Shutter Speed Range: | 1/6000 - 30 sec | 1/32000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 16-segment Multi, Center-weighted, Spot | 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight |
| 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 | Picture Effect: Posterization (Color), Posterization (B/W), Pop Color, Retro Photo, Partial Color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal / Cool / Warm / Green / Magenta), Soft High-key; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: | 2 or 12 seconds | 2, 5, 10; 3/5 shots after 2/5/10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, off, redeye, slow sync, slow sync w redeye, slow sync w trailing curtain, wireless | Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
| 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 | +/- 3.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe | Multi Interface Hot Shoe, Sync Terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | No |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | UHS-II | |
| Other Memory: | Slot1:SD UHS-II; 2:MS/SD UHS-I | |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | RAW (14-bit ARW 2.3 compressed or uncompressed), RAW+JPEG |
| Movie File Format: | XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | Yes |
| NFC: | No | Yes |
| Bluetooth: | No | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | No | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed,Ethernet,Bluetooth,WiFi |
| PictBridge Compliant: | No | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Optional via IR, USB , Ethernet or Wi-Fi/Bluetooth |
| Connections (extended): | AC adapter available | Multi Micro-B USB 2.0 (with remote support), Type-D Micro HDMI, 100Base-T Ethernet, 3.5mm Microphone and Headphone Jacks, Sync Terminal |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | <0.3 |
| 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): | <0.3 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 4.3 | 20.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | 364 |
| RAW shooting speed in burst mode (fps): | 20.0 | |
| Buffer size for RAW shooting in burst mode (frames): | 240 | |
| RAW+JPEG shooting speed in burst mode (fps): | 20.0 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 225 | |
| Shutter lag (full AF, wide/mid): | 0.10 seconds | 0.22 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 | 0.097 seconds |
| Shutter lag (full AF, with flash): | 0.23 seconds | |
| Shutter Lag (prefocused): | 0.082 seconds | 0.020 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 | 1.2 seconds |
| Play -> Record Time: | 0.2 seconds | 1.0 seconds |
| Flash cycle time, full power: | 3.3 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 650 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | 480 shots |
| Battery Life, Video: | 105 minutes | |
| Battery Form Factor: | 4 x AA | Proprietary |
| Usable Battery Types: | Lithium, Alkaline disposables; NiMH rechargeables | NP-FZ100 Lithium-ion rechargeable |
| Batteries Included: | 4 x AA Alkaline disposables | 1 x Proprietary NP-FZ100 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 | Capture One Express (for Sony) free 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. | |
