- APS-C 368.2mm2
- 14.6 megapixels
- ISO 100 - 3200
- Go in depth with our full Pentax K20D Review.
- See real-world photos taken with the K20D.
| Links | ||
|---|---|---|
| Prices: | ||
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K10D
K10D vs K20D |
Nikon D2Xs
D2Xs vs D3X |
| Successor: |
Pentax K-7
K20D vs K-7 |
|
| General | ||
| Model Number: | K20D | D3X |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | Pro SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $799.95 | $7999.95 |
| Street Price: | $2,499.99 | |
| Date Available: | 2008-04-30 | 2008-12-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
28.3 oz
(802 g)
includes batteries |
49.1 oz
(1,392 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
3.4 in. (160 x 157 x 88 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 24.5 |
| Sensor Format: | APS-C | 35mm |
| Sensor size: | 368.16mm2 (23.60mm x 15.60mm) | 861.6mm2 (35.90mm x 24.00mm) |
| Approximate Pixel Pitch: | 5.05 microns | 5.94 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 | No |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 65 | 88 |
| DxO Color Depth Score (bits): | 22.9 | 24.7 |
| DxO Dynamic Range Score (evs): | 11.1 | 13.7 |
| DxO Maximum Effective ISO Score (iso): | 639 | 1,992 |
| 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) |
6048 x 4032
(24.4 MP,
3:2), 4544 x 3024 (13.7 MP, 3:2), 3024 x 2016 (6.1 MP, 3:2), 5056 x 4032 (20.4 MP, 5:4), 3792 x 3024 (11.5 MP, 5:4), 2528 x 2016 (5.1 MP, 5:4), 3968 x 2640 (10.5 MP, 3:2), 2976 x 1976 (5.9 MP, Other), 1984 x 1320 (2.6 MP, 3:2) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG (EXIF 2.21), TIFF; RAW (NEF), 12- or 14-bit |
| Continuous-mode frames/second: | 2.8 | 5.0 |
| Video Capture | ||
| Can take movies: | No | No |
| Movie Resolution: | ||
| Movie File Format: | ||
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | No | Yes |
| 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 | No |
| Digital Zoom Values: | n/a | n/a |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 11-point TTL phase-matching (SAFOX VIII) | 51-point TTL phase detection via Nikon Multi-CAM 3500FX with 15 cross-type and 36 line-type 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 type; eye-level pentaprism, interchangeable screen, 100%, 0.7x, 18mm eyepoint, -3.0 to +1.0 |
| 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 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 922,000 dots |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 27.0x |
| Top Deck Display: | Yes | Yes |
| Exposure | ||
| Maximum ISO (native): | 3200 | 1600 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | 100 - 1600, plus down to 50 in Lo-1, up to 6,400 in Hi-2 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto, seven manual modes can be preset with fine-tuning; color temperature setting, custom |
| 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 | 1005-pixel 3D Color Matrix Metering II, Center-weighted, Spot (1.5%) 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 | 2/5/10/20 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | n/a |
| 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 | |
| External Flash Connection: | Hot Shoe, PC-Sync Socket | ISO-type hot-shoe contact; safety lock provided; PC Sync terminal |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | CF1 / CF2 / Microdrive |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG) | TIFF; RAW (NEF), 12- or 14-bit |
| Movie File Format: | ||
| Included Memory: | No memory included | 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: | Yes | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Wired, 10-pin terminal or USB |
| Connections (extended): | DC input, wired remote | HDMI Out (Type-A), DC Input, 10-pin Expansion 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): | 0.36 | <0.3 |
| Buffer size for RAW shooting in single shot mode (frames): | 11 | 31 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | No | Yes |
| JPEG shooting speed in burst mode (fps, max resolution): | 2.8 | 5.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 38 | 31 |
| 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): | 0.17 seconds | 0.16 seconds |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | 0.090 seconds | 0.050 seconds |
| Shutter lag (full AF, with flash): | 0.24 seconds | |
| Shutter Lag (prefocused): | 0.089 seconds | 0.045 seconds |
| Shutter Lag (notes): | Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s | Live View Mode Full AF, Single-Area, Hand-Held Mode = 0.426s Full AF, Auto-Area, Hand-Held Mode = 0.606s Prefocused, Hand-Held Mode = 0.045s Prefocused, Tripod Mode = 0.418s |
| Startup Time: | 0.4 seconds | 0.3 seconds |
| Play -> Record Time: | 0.5 seconds | 0.3 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 | 4400 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI50 | Proprietary EN-EL4a |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium Ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI50 Lithium-ion rechargeable | 1 x Proprietary EN-EL4a 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 | Software Suite CD-ROM |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows, Mac OS |
| 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. | 24.5MP version of the D3. 5fps full resolution burst speed, 7fps in DX crop mode at 10.5 megapixels. |
