| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K10D
K10D vs K20D |
Nikon D4
D4 vs D4S |
| Successor: |
Pentax K-7
K20D vs K-7 |
Nikon D5
D4S vs D5 |
| General | ||
| Model Number: | K20D | D4S |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Pro SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $799.95 | $6499.95 |
| Street Price: | $5,999.00 | |
| Date Available: | 2008-04-30 | 2014-03-06 |
| Tripod Mount: | Yes | Yes |
| Weight: |
28.3 oz
(802 g)
includes batteries |
47.8 oz
(1,356 g)
includes batteries |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
6.3 x
6.2 x
3.6 in. (160 x 157 x 91 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | ||
| Effective Megapixels: | 14.6 | 16.2 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 368.16mm2 (23.60mm x 15.60mm) | 860.4mm2 (36.00mm x 23.90mm) |
| Approximate Pixel Pitch: | 5.05 microns | 7.31 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 | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 65 | 89 |
| DxO Color Depth Score (bits): | 22.9 | 24.4 |
| DxO Dynamic Range Score (evs): | 11.1 | 13.3 |
| DxO Maximum Effective ISO Score (iso): | 639 | 3,074 |
| Image Capture | ||
| Image Resolution: |
4672 x 3104
(14.5 MP,
Other), 3872 x 2592 (10.0 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 1824 x 1216 (2.2 MP, 3:2) |
4928 x 3280
(16.2 MP,
3:2), 3696 x 2456 (9.1 MP, 3:2), 2464 x 1640 (4.0 MP, 3:2), 4096 x 2720 (11.1 MP, Other), 3072 x 2040 (6.3 MP, Other), 2048 x 1360 (2.8 MP, Other), 3200 x 2128 (6.8 MP, 3:2), 2400 x 1592 (3.8 MP, Other), 1600 x 1064 (1.7 MP, 3:2), 4096 x 3280 (13.4 MP, 5:4), 3072 x 2456 (7.5 MP, 5:4), 2048 x 1640 (3.4 MP, 5:4) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG, NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed, small size availble (12-bit uncompressed only); TIFF (RGB) |
| Continuous-mode frames/second: | 2.8 | 10.6 |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
1920x1080 (60p/50p/30p/25p/24p)
1280x720 (60p/50p) 640x424 (30p/25p) |
|
| Movie File Format: | MOV (Video: H.264/MPEG-4 AVC; Audio: Linear PCM) | |
| 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) | Nikon F |
| Lens: | n/a | n/a |
| Focal Length (35mm equivalent): | ||
| Focal Length (actual): | ||
| Zoom Ratio: | ||
| Aperture Range: | ||
| Integrated ND Filter: | No | No |
| Normal Focus Range: | ||
| Macro Focus Range: | ||
| Filter Thread: | n/a | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | No | |
| Digital Zoom Values: | n/a | |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | Nikon Advanced Multi-CAM 3500FX autofocus sensor module with TTL phase detection, fine-tuning, and 51 focus points (including 15 cross-type sensors with f/8 supported by 11 sensors) |
| Auto Focus Assist Light? | Yes | No |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | Optical / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 | SLR; eye-level pentaprism, 100% coverage, 0.7x magnification, 18mm eyepoint, -3 to +1 diopter |
| Focus Peaking: | No | No |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.63x | 0.70x |
| Viewfinder Magnification (nominal/claimed): | 0.95x | 0.70x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.2 |
| Rear Display Resolution: | 230,000 dots | 921,600 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 46.0x |
| Top Deck Display: | Yes | Yes |
| Exposure | ||
| Maximum ISO (native): | 3200 | 25600 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto, 100 - 25,600, plus down to 50 in Lo-1, up to 409,600 in Hi-4 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto (2 types), incandescent, fluorescent (7 types), direct sunlight, flash, cloudy, shade, preset manual (up to 6 values can be stored, spot white balance measurement available during live view), color temperature (2500 K-10000 K) |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/8000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, Center-weighted, Spot | 91K-pixel 3D Color Matrix Metering III, Center-weighted (75% given to 8, 12, 15 or 20mm circle), Spot (4mm) centered on selected focus area |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Sensitivity Priority, Shutter and Aperture Priority | None |
| Self Timer: | 2 or 12 seconds | 2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | Front curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, Auto FP High-Speed Sync supported |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 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 0.3EV steps | -3 to +1 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe, PC-Sync Socket | ISO 518 Hot Shoe; safety lock provided; PC Sync terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | CF1 / XQD |
| UHS Support: | ||
| Other Memory: | UDMA7 compliant | |
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG) | NEF (RAW): 12 or 14 bit, lossless compressed, compressed, or uncompressed, small size availble (12-bit uncompressed only); TIFF (RGB) |
| Movie File Format: | MOV (Video: H.264/MPEG-4 AVC; Audio: Linear PCM) | |
| Included Memory: | No memory included | No memory included |
| Included Memory Type: | ||
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | No |
| Bluetooth: | No | No |
| 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 |
| PictBridge Compliant: | Yes | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Optional wired, wireless |
| Connections (extended): | DC input, wired remote | Type-C mini HDMI with uncompressed video support, DC Input, 10-pin Expansion Terminal, Audio input (stereo 3.5mm jack with power), Audio output (stereo 3.5mm jack), Peripheral connector for WT-5A/WT-4A |
| 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): | 0.36 | 0.36 |
| Buffer size for RAW shooting in single shot mode (frames): | 11 | Unlimited |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.33 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 2.8 | 10.6 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 38 | 200 |
| RAW shooting speed in burst mode (fps): | 10.8 | |
| Buffer size for RAW shooting in burst mode (frames): | 78 | |
| RAW+JPEG shooting speed in burst mode (fps): | 10.8 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 43 | |
| Shutter lag (full AF, wide/mid): | 0.17 seconds | 0.20 seconds |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | 0.91 seconds | |
| Shutter lag (prefocused, live view - DSLR): | 0.239 seconds | |
| Shutter Lag (manual focus): | 0.090 seconds | 0.044 seconds |
| Shutter lag (full AF, with flash): | 0.24 seconds | |
| Shutter Lag (prefocused): | 0.089 seconds | 0.043 seconds |
| Shutter Lag (notes): | Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s | OVF: Full AF lag, wide-area mode = 0.288s Live View: Full AF lag = 0.914s Prefocused = 0.239s |
| Startup Time: | 0.4 seconds | 0.2 seconds |
| Play -> Record Time: | 0.5 seconds | 0.2 seconds |
| Flash cycle time, full power: | 3.1 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
| Battery Life, Still (CIPA Rating OVF/EVF): | 530 shots | 3020 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI50 | Proprietary EN-EL18A |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI50 Lithium-ion rechargeable | 1 x Proprietary EN-EL18A Lithium-ion rechargeable |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
| Dedicated Battery Charger Included: | Yes | Yes |
| Internal Charging Supported: | No | No |
| Software | ||
| Included Software: | CD-ROM S-SW74/75 | Nikon ViewNX 2 CD-ROM |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows, Mac OS X |
| Miscellaneous | ||
| Notes & Features: | PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. | New 16MP sensor with improved high ISO performance, EXPEED 4 processor, 11fps burst mode with AE/AF, improved AF, up to 1920x1080p60 video, new small RAW size option (2464 x 1640, 12-bit), improved battery life, built-in GbE LAN (1000Base-T), uncompressed 1080p60 HDMI output. |
