| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax K10D
K10D vs K20D |
Canon T3i
T3i vs T4i |
| Successor: |
Pentax K-7
K20D vs K-7 |
Canon T5i
T4i vs T5i |
| General | ||
| Model Number: | K20D | T4i |
| Alternate Model Number(s): | EOS 650D, Kiss X6i | |
| Camera Format: | Pro SLR | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $799.95 | $1199.00 |
| Street Price: | $579.00 | |
| Date Available: | 2008-04-30 | 2012-06-30 |
| Tripod Mount: | Yes | Yes |
| Weight: |
28.3 oz
(802 g)
includes batteries |
36.6 oz
(1,039 g)
includes batteries, kit lens |
| Size: |
5.6 x
4.0 x
2.8 in. (142 x 102 x 70 mm) |
5.2 x
3.9 x
3.1 in. (133 x 100 x 79 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Canon | |
| Effective Megapixels: | 14.6 | 18.0 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 368.16mm2 (23.60mm x 15.60mm) | 332.27mm2 (22.30mm x 14.90mm) |
| Approximate Pixel Pitch: | 5.05 microns | 4.30 microns |
| Focal Length Multiplier: | 1.5x | 1.6x |
| 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 | Yes |
| DxO Sensor Score: | 65 | 62 |
| DxO Color Depth Score (bits): | 22.9 | 21.7 |
| DxO Dynamic Range Score (evs): | 11.1 | 11.2 |
| DxO Maximum Effective ISO Score (iso): | 639 | 722 |
| 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) |
5184 x 3456
(17.9 MP,
3:2), 4608 x 3456 (15.9 MP, 4:3), 5184 x 2912 (15.1 MP, 16:9), 3456 x 3456 (11.9 MP, 1:1), 3456 x 2304 (8.0 MP, 3:2), 3072 x 2304 (7.1 MP, 4:3), 3456 x 1944 (6.7 MP, 16:9), 2304 x 2304 (5.3 MP, 1:1), 2592 x 1728 (4.5 MP, 3:2), 2034 x 1728 (3.5 MP, Other), 2592 x 1456 (3.8 MP, 16:9), 1728 x 1728 (3.0 MP, 1:1), 1920 x 1280 (2.5 MP, 3:2), 1696 x 1280 (2.2 MP, 4:3), 1920 x 1080 (2.1 MP, 16:9), 1280 x 1280 (1.6 MP, 1:1), 720 x 480 (0.3 MP, 3:2), 640 x 480 (0.3 MP, 4:3), 720 x 400 (0.3 MP, Other), 480 x 480 (0.2 MP, 1:1) |
| Image File Format: | JPEG (EXIF 2.21), RAW (.PEF, .DNG) | JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG |
| Continuous-mode frames/second: | 2.8 | 4.8 |
| Video Capture | ||
| Can take movies: | No | Yes |
| Movie Resolution: |
1920x1080 (30/25/24)
1280x720 (60/50) 640x480 (30/25) |
|
| Movie File Format: | MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container | |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | No | |
| HD Video Out: | No | Yes |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | Pentax K (KA/KAF/KAF2) | Canon EF/EF-S |
| Lens: | n/a | Canon EF-S 18-135mm f/3.5-5.6 IS STM |
| Focal Length (35mm equivalent): | 29 - 216mm | |
| Focal Length (actual): | 18 - 135mm | |
| Zoom Ratio: | 7.50x | |
| Aperture Range: | f/3.5 - 22 (wide) / f/5.6 - 38 (tele) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
39 cm to Infinity 15.4 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | n/a | 67.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| 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) | OVF: Phase-detect using 9 cross-type AF points with 1 high precision f/2.8 center point; Live View uses new hybrid phase-detect/contrast-detect AF on image sensor |
| Auto Focus Assist Light? | Yes | Yes |
| 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; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter |
| Focus Peaking: | No | No |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.63x | 0.53x |
| Viewfinder Magnification (nominal/claimed): | 0.95x | 0.85x |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.7 | 3.0 |
| Rear Display Resolution: | 230,000 dots | 1,040,000 dots (345,600 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | No | Yes |
| Tilt Swivel Screen: | No | Yes |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 32.0x | 10.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 3200 | 12800 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) | Auto(100-6400), 100-12800 in 1EV steps, expandable to H=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, Tungsten, White Fluorescent, Flash, Custom |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 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 | 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (9%), Spot (4%) |
| 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 Intelligent Auto, Flash Off, Creative Auto, Portrait, Landscape, Close-up, Sports, Night Portrait, Handheld Night Scene, HDR Backlight Control, Multi-Shot Noise Reduction, Video Snapshot |
| Self Timer: | 2 or 12 seconds | 10, 2, Remote, 10s Continuous (2-10) seconds |
| Time Lapse (intervalometer): | No | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless | E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro |
| Flash Guide Number (ISO 100): | 13.0 m / 42.7 ft. | 13.0 m / 42.7 ft. |
| Flash Range Description: | Depends on lens | Lens aperture dependent |
| Max Flash Sync: | 1/180 | 1/200 |
| 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 | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | Full TTL exposure |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | RAW (.PEF, .DNG) | .CR2 RAW (14-bit), RAW+L/F JPEG |
| Movie File Format: | MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container | |
| 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 | Yes |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Wired or IR | Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1) |
| Connections (extended): | DC input, wired remote | Mini (Type-C) HDMI-CEC, External 3.5mm Stereo Mic Jack, Wired Remote Jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.39 | 0.37 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.36 | 0.34 |
| Buffer size for RAW shooting in single shot mode (frames): | 11 | 9 |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.37 | |
| Camera penalizes early shutter press? | No | No |
| JPEG shooting speed in burst mode (fps, max resolution): | 2.8 | 4.8 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 38 | 19 |
| RAW shooting speed in burst mode (fps): | 5.1 | |
| Buffer size for RAW shooting in burst mode (frames): | 6 | |
| RAW+JPEG shooting speed in burst mode (fps): | 5.6 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 3 | |
| Shutter lag (full AF, wide/mid): | 0.17 seconds | 0.27 seconds |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | 0.83 seconds | |
| Shutter lag (prefocused, live view - DSLR): | 0.062 seconds | |
| Shutter Lag (manual focus): | 0.090 seconds | 0.094 seconds |
| Shutter lag (full AF, with flash): | 0.24 seconds | 0.28 seconds |
| Shutter Lag (prefocused): | 0.089 seconds | 0.074 seconds |
| Shutter Lag (notes): | Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s | OVF: Auto Selection AF lag: 0.122s Live View: Quick AF: 1.070s Hybrid AF Single Area: 0.833s Hybrid AF Auto Selection: 1.419s Prefocused: 0.062s |
| Startup Time: | 0.4 seconds | 0.7 seconds |
| Play -> Record Time: | 0.5 seconds | 0.3 seconds |
| Flash cycle time, full power: | 3.1 seconds | 3.3 seconds |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 180 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 530 shots | 440 shots |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI50 | Proprietary LP-E8 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeble |
| Batteries Included: | 1 x Proprietary D-LI50 Lithium-ion rechargeable | 1 x Proprietary LP-E8 Lithium-ion rechargeble |
| 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 | EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor) |
| OS Compatibility: | Windows XP/Vista, MacOS 10.2 or later | Windows XP inc SP3 / Vista inc SP1 and SP2 (excl. Starter Edition) / 7 (excl. Starter Edition) OS X v10.6-10.7 (Intel processor required) |
| 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. | DIGIC 5 processor, 3-inch Vari-angle capacitive touchscreen LCD, new Hybrid CMOS AF system allows continuous AF and touch focus in Live View/Movie mode, 5 fps burst mode, 100-12800 ISO expandable to 25600, Auto Lighting Optimizer, Highlight Tone Priority, vignetting correction, distortion correction, chromatic aberration correction, Handheld Night Scene, HDR Backlight Control, Multi-Shot Noise Reduction, Full HD video, built-in stereo mic, UHS-I compatible. |
