| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K10D
K10D vs K20D |
|
| Successor: |
Pentax K-7
K20D vs K-7 |
Sony A68
A58 vs A68 |
| General | ||
| Model Number: | K20D | A58 |
| Alternate Model Number(s): | ||
| Camera Format: | Pro SLR | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $799.95 | $600.00 |
| Street Price: | $598.00 | |
| Date Available: | 2008-04-30 | 2013-04-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
28.3 oz
(802 g)
includes batteries |
25.8 oz
(731 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
5.1 x
3.8 x
3.1 in. (129 x 96 x 78 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 14.6 | 20.1 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 368.16mm2 (23.60mm x 15.60mm) | 366.6mm2 (23.50mm x 15.60mm) |
| Approximate Pixel Pitch: | 5.05 microns | 4.31 microns |
| Focal Length Multiplier: | 1.5x | 1.5x |
| 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 | No |
| DxO Sensor Score: | 65 | 74 |
| DxO Color Depth Score (bits): | 22.9 | 23.3 |
| DxO Dynamic Range Score (evs): | 11.1 | 12.5 |
| DxO Maximum Effective ISO Score (iso): | 639 | 753 |
| 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) |
5456 x 3632
(19.8 MP,
3:2), 5456 x 3064 (16.7 MP, 16:9), 3872 x 2576 (10.0 MP, 3:2), 3872 x 2176 (8.4 MP, 16:9), 2736 x 1824 (5.0 MP, 3:2), 2736 x 1536 (4.2 MP, 16:9), 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), RAW (.PEF, .DNG) | JPEG, RAW (12-bit ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: | 2.8 | 4.9 |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
1920x1080 (60i or 24p (24/17Mbps))
1440x1080 (30p/12Mbps) 640x480 (30p/3Mbps) |
|
| Movie File Format: | AVCHD / MP4; Audio: 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) | Sony Alpha (Minolta A) |
| Lens: | n/a | Sony 18-55mm f/3.5-5.6 DT SAM |
| Focal Length (35mm equivalent): | 27 - 83mm | |
| Focal Length (actual): | 18 - 55mm | |
| Zoom Ratio: | 3.06x | |
| Aperture Range: | f/3.5 - 22 (W), f/5.6 - 36 (T) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | n/a | 55.0mm |
| 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: | 11-point TTL phase-matching (SAFOX VIII) | Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking; Eye Start AF |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | EVF / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 | EVF type; 1/2-inch, 1.44M-dot OLED Tru-Finder, 100% coverage, 0.88x magnification (0.57x 35mm eq.), 26.5mm from the eyepiece lens / 23mm from the eyepiece frame eye point, -4.0 to +4.0 diopter |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | 1,440,000 dots |
| Viewfinder Magnification (35mm equivalent): | 0.63x | 0.57x |
| Viewfinder Magnification (nominal/claimed): | 0.95x | 0.88x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 2.7 |
| Rear Display Resolution: | 230,000 dots | 460,800 dots (153,600 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 32.0x | 15.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | 16000 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000; (Multi-frame NR mode up to ISO 25600) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 3.0EV in 0.3EV steps | +/- 3.0EV in 0.3EV steps |
| Metering Modes: | TTL open-aperture: 16-segment, 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: | Sensitivity Priority, Shutter and Aperture Priority | Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Handheld Twilight; Picture Effects: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature; Sweep Panorama, Anti Motion Blur, Multi Frame Noise Reduction |
| Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
| Time Lapse (intervalometer): | ||
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | Auto, Fill-flash, Slow Sync., Rear Sync., Hi-speed sync., Red-eye reduction (on/off selectable for Auto flash and fill-flash mode), Wireless, Off |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 ft. | 10.0 m / 32.8 ft. |
| Flash Range Description: | Depends on lens | Lens dependent |
| Max Flash Sync: | 1/180 | 1/160 |
| Flash Exposure Compensation: | -2 to +1 EV in 0.3EV steps | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot Shoe, PC-Sync Socket | Multi Interface Hot shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | Full TTL exposure |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | 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: | RAW (.PEF, .DNG) | RAW (12-bit ARW 2.3), RAW+JPEG |
| Movie File Format: | AVCHD / MP4; Audio: 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 | No |
| NFC: | No | 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 | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Optional wired RM-VPR1 |
| Connections (extended): | DC input, wired remote | Type-D Micro HDMI, DC Input, 3.5mm Stereo Micophone Jack, Multi/Micro USB (remote) |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | 0.51 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.36 | 0.55 |
| Buffer size for RAW shooting in single shot mode (frames): | 11 | 2 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.57 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 2.8 | 4.9 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 38 | 8 |
| RAW shooting speed in burst mode (fps): | 4.9 | |
| Buffer size for RAW shooting in burst mode (frames): | 6 | |
| RAW+JPEG shooting speed in burst mode (fps): | 4.9 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 5 | |
| Shutter lag (full AF, wide/mid): | 0.17 seconds | 0.13 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 | 0.082 seconds |
| Shutter lag (full AF, with flash): | 0.24 seconds | 0.33 seconds |
| Shutter Lag (prefocused): | 0.089 seconds | 0.054 seconds |
| Shutter Lag (notes): | Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s | Full Autofocus Shutter Lag, Wide-area Mode = 0.139s |
| Startup Time: | 0.4 seconds | 1.9 seconds |
| Play -> Record Time: | 0.5 seconds | 1.1 seconds |
| Flash cycle time, full power: | 3.1 seconds | 2.1 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 700 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 530 shots | 690 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI50 | Proprietary |
| Usable Battery Types: | Lithium-ion rechargeable | NP-FM500H Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI50 Lithium-ion rechargeable | 1 x Proprietary NP-FM500H 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 | PlayMemories Home, Image Data Converter 4 |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows XP SP3/Vista SP2/7 SP1/8; Mac OS X v10.5 or later. (Software is Windows only.) |
| 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 20.1MP Exmor APS HD CMOS sensor, SteadyShot INSIDE image stabilization, 2.7" 406K-dot tilting LCD, OLED Tru-Finder EVF, 5fps full-resolution burst mode (up to 8fps in Tele-zoom Continuous Advance Priority AE mode), new Lock-on autofocus, Full HD 1080i60 movies, Multi Interface Hot Shoe, new area-specific noise reduction. U.S. availability and pricing TBD. |
