| 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 RX1R II
RX1R vs RX1R II |
| General | ||
| Model Number: | K-x | RX1R |
| Alternate Model Number(s): | ||
| Camera Format: | SLR | Mid-Sized |
| Currently Manufactured: | No | No |
| Retail Price: | $649.95 | $2799.99 |
| Street Price: | $701.76 | $2,598.00 |
| Date Available: | 2009-10-15 | 2013-07-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
27.9 oz
(791 g)
includes batteries, kit lens |
17.0 oz
(482 g)
includes batteries |
| Size: |
4.8 x
3.6 x
2.7 in. (122 x 92 x 69 mm) |
4.5 x
2.6 x
2.7 in. (113 x 65 x 70 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 12.4 | 24.3 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 855.62mm2 (35.80mm x 23.90mm) |
| Approximate Pixel Pitch: | 5.53 microns | 5.97 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 | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 72 | 91 |
| DxO Color Depth Score (bits): | 22.8 | 25.0 |
| DxO Dynamic Range Score (evs): | 12.5 | 13.6 |
| DxO Maximum Effective ISO Score (iso): | 811 | 2,537 |
| 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), 6000 x 3376 (20.3 MP, 16:9), 3936 x 2624 (10.3 MP, 3:2), 3936 x 2216 (8.7 MP, 16:9), 2640 x 1760 (4.6 MP, 3:2), 2640 x 1488 (3.9 MP, Other), 12416 x 1856 (23.0 MP, Other), 8192 x 1856 (15.2 MP, Other), 2160 x 5536 (12.0 MP, Other), 2160 x 3872 (8.4 MP, Other) |
| Image File Format: | JPEG (EXIF 2.21), 12-bit RAW (.PEF, .DNG) | JPEG (EXIF 2.3), 14-bit RAW (ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 4.3 | 5.1 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1280x720 (24)
640x416 (24) |
1920x1080 (60p/28Mbps/PS or 60i/24Mbps/FX or 60i/17Mbps/FH or 24p/24Mbps/FX or 24p/17Mbps/FH)
1440x1080 (30p/12Mbps) 640x480 (30p/3Mbps) |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC | |
| 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) | n/a |
| Lens: | smc Pentax DA L 18-55mm f/3.5-5.6 AL | Carl Zeiss Sonnar T* 2/35mm (fixed); 8 elements in 7 groups, 3 aspherical elements, 9 aperture blades |
| Focal Length (35mm equivalent): | 27 - 84mm | 35mm |
| Focal Length (actual): | 18 - 55mm | 35mm |
| Zoom Ratio: | 3.00x | 1.00x |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 38 (T) | f/2 - f/22 |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
30 cm to Infinity 11.8 in to Infinity |
|
| Macro Focus Range: |
20 -
35 cm 7.9 - 13.8 in |
|
| Filter Thread: | 52.0mm | 49.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | Yes |
| Digital Zoom Values: | n/a | Up to 2x Clear Image Zoom, Up to 4x standard digital zoom, 1.4x/2.0x Digital Teleconverter, up to 9.1x Smart digital zoom at lower resolutions |
| 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: Multi point AF (25 points) / Center / Flexible Spot |
| 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 | Optional Clip-on Viewfinders: FDA-V1K Optical Viewfinder, FDA-EV1MK Electronic Viewfinder |
| Focus Peaking: | No | Yes |
| 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 | 1,228,800 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 16.0x | 16.7x |
| Top Deck Display: | No | No |
| Exposure | ||
| Maximum ISO (native): | 6400 | 25600 |
| Minimum ISO (native): | 200 | 100 |
| ISO Settings: | Auto (200-6400), 100, 200, 400, 800, 1600, 3200, 6400; expandable to 12800 | ISO 100-25600 (1/3 EV steps, expandable to 50/64/80), Auto (100-25600 with selectable upper/lower limits); Multi Frame NR: 100-102400 (1 EV steps), Auto (100-25600 with selectable upper/lower limits) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (D, N, W, L), Flash, Custom | Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, Color Temp, Color Filter, Custom |
| Shutter Speed Range: | 1/6000 - 30 sec | 1/4000 - 30 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 | 1200-zone Evaluative, 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 | Scene modes: Portrait, Landscape, Sports, Sunset, Night Portrait, Night Scene, Hand-held Twilight; Sweep Panorama; Effects: Toy Camera, Pop Colour, Posterisation, Retro Photo, Soft High-key, Partial Colour, High Contrast Monochrome, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature, Watercolor, Illustration |
| Self Timer: | 2 or 12 seconds | 2, 10 seconds |
| Time Lapse (intervalometer): | ||
| 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 | Auto, Fill-flash, Slow Sync, Rear Sync, Off, Wireless; Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): | 11.3 m / 37.1 ft. | 6.0 |
| Flash Range Description: | Depends on lens | ISO Auto: 0.75m to 21.7m / 2.5 ft. to 71.2 ft. |
| Max Flash Sync: | 1/180 | 1/4000 |
| 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 |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | MS Duo / MS PRO Duo / SD / SDHC / SDXC |
| UHS Support: | No UHS support | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | 14-bit RAW (ARW 2.3), RAW+JPEG |
| Movie File Format: | AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC | |
| Included Memory: | No memory included | |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | |
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | Yes |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
| PictBridge Compliant: | No | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional IR | Threaded cable release |
| Connections (extended): | AC adapter available | Micro HDMI (Type D), 3.5mm stereo microphone jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | 0.89 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.43 | 0.93 |
| Buffer size for RAW shooting in single shot mode (frames): | 10 | 10 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 1.04 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 4.3 | 5.1 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 25 | 15 |
| RAW shooting speed in burst mode (fps): | 5.2 | |
| Buffer size for RAW shooting in burst mode (frames): | 15 | |
| RAW+JPEG shooting speed in burst mode (fps): | 5.1 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 12 | |
| Shutter lag (full AF, wide/mid): | 0.10 seconds | 0.27 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 | 0.038 seconds |
| Shutter lag (full AF, with flash): | 0.23 seconds | 0.38 seconds |
| Shutter Lag (prefocused): | 0.082 seconds | 0.016 seconds |
| Shutter Lag (notes): | Live View: Phase-detect Full AF: 0.448s Contrast-detect Full AF: 2.567s Prefocused: 0.427s | Full Autofocus, Multi-area AF mode = 0.272s |
| Startup Time: | 0.6 seconds | 1.7 seconds |
| Play -> Record Time: | 0.2 seconds | 1.5 seconds |
| Flash cycle time, full power: | 3.3 seconds | 8.2 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 220 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 420 shots (NiMH AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | 4 x AA | Proprietary NP-BX1 |
| Usable Battery Types: | Lithium, Alkaline disposables; NiMH rechargeables | Lithium-ion rechargeable |
| Batteries Included: | 4 x AA Alkaline disposables | 1 x Proprietary NP-BX1 Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | No | Yes |
| Dedicated Battery Charger Included: | No | |
| Internal Charging Supported: | Yes | |
| Software | ||
| Included Software: | CD-ROM | Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4) |
| OS Compatibility: | Windows XP/Vista/7, MacOS-X 10.3+ | Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only |
| 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. | Identical to RX1 but with OLPF removed and HDMI output with Triluminos Color support added. |
