- 1/2.35 inch 27.3mm2
- 8.0 megapixels
- 36.00mm - 180.00mm (35mm eq.)
- Go in depth with our full Olympus 840 Review.
- APS-C 332.3mm2
- 18.0 megapixels
- ISO 100 - 12,800
- Go in depth with our full Canon T4i Review.
- See real-world photos taken with the T4i.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Canon T3i
T3i vs T4i |
|
| Successor: |
Canon T5i
T4i vs T5i |
|
| General | ||
| Model Number: | 840 | T4i |
| Alternate Model Number(s): | EOS 650D, Kiss X6i | |
| Camera Format: | Compact | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $249.99 | $1199.00 |
| Street Price: | $173.11 | $579.00 |
| Date Available: | 2008-01-31 | 2012-06-30 |
| Tripod Mount: | No | Yes |
| Weight: | 4.6 oz (130 g) |
36.6 oz
(1,039 g)
includes batteries, kit lens |
| Size: |
3.8 x
2.2 x
0.9 in. (96 x 57 x 24 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: | CCD | CMOS |
| Sensor Manufacturer: | Canon | |
| Effective Megapixels: | 8.0 | 18.0 |
| Sensor Format: | 1/2.35 inch | APS-C |
| Sensor size: | 27.2556mm2 (6.03mm x 4.52mm) | 332.27mm2 (22.30mm x 14.90mm) |
| Approximate Pixel Pitch: | 1.86 microns | 4.30 microns |
| Focal Length Multiplier: | n/a | 1.6x |
| Aspect Ratio: | 4:3, 16:9 | 3:2 |
| Color Filter Type: | RGBG | |
| Anti Aliasing Filter: | Fixed | |
| Self-Cleaning: | No | Yes |
| Sensor shift image stabilization: | Yes | No |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 62 | |
| DxO Color Depth Score (bits): | 21.7 | |
| DxO Dynamic Range Score (evs): | 11.2 | |
| DxO Maximum Effective ISO Score (iso): | 722 | |
| Image Capture | ||
| Image Resolution: |
3248 x 2436
(7.9 MP,
4:3), 2560 x 1920 (4.9 MP, 4:3), 2304 x 1728 (4.0 MP, 4:3), 2048 x 1536 (3.1 MP, 4:3), 1920 x 1080 (2.1 MP, 16:9), 1600 x 1200 (1.9 MP, 4:3), 1280 x 960 (1.2 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
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 | JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG |
| Continuous-mode frames/second: | 1.0 | 4.8 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
640x480 (30)
640x480 (15) 320x240 (30) 320x240 (15) |
1920x1080 (30/25/24)
1280x720 (60/50) 640x480 (30/25) |
| Movie File Format: | AVI Motion JPEG | MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | |
| Video Usable as Viewfinder: | ||
| HD Video Out: | Yes | |
| HD Video Connection: | HDMI | |
| Lens & Optics | ||
| Lens Mount: | n/a | Canon EF/EF-S |
| Lens: | Olympus lens | Canon EF-S 18-135mm f/3.5-5.6 IS STM |
| Focal Length (35mm equivalent): | 36 - 180mm | 29 - 216mm |
| Focal Length (actual): | 6.4 - 32mm | 18 - 135mm |
| Zoom Ratio: | 5.00x | 7.50x |
| Aperture Range: | f/3.3 (wide) / f/5.0 (tele) - ??? | f/3.5 - 22 (wide) / f/5.6 - 38 (tele) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
70 cm to Infinity 27.6 in to Infinity |
39 cm to Infinity 15.4 in to Infinity |
| Macro Focus Range: |
3 -
70 cm 1.2 - 27.6 in |
|
| Filter Thread: | n/a | 67.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | Yes | No |
| Digital Zoom Values: | 5.6x | n/a |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | CCD contrast detection | 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? | No | Yes |
| Manual Focus: | No | Yes |
| Viewfinder | ||
| Viewfinder: | LCD | Optical / LCD |
| Viewfinder Type: | 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): | 0.53x | |
| Viewfinder Magnification (nominal/claimed): | 0.85x | |
| Display | ||
| Eye-level Viewfinder: | No | 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: | 10.0x | 10.0x |
| Top Deck Display: | No | |
| Exposure | ||
| Maximum ISO (native): | 12800 | |
| Minimum ISO (native): | 100 | |
| ISO Settings: | Auto, 64, 100, 200, 400, 800, 1600 | Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600 |
| Auto ISO Mode: | No | Yes |
| White Balance Settings: | Auto, Daylight, Overcast, Tungsten, Fluorescent 1, Fluorescent 2, Fluorescent 3 | Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom |
| Shutter Speed Range: | 1/2000 - 4 sec | 1/4000 - 30 sec |
| Bulb Mode: | No | Yes |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | Digital ESP, Spot, Face detection AE w/ face-detection AF | 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (9%), Spot (4%) |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | No | Yes |
| Shutter Priority: | No | Yes |
| Full Manual Exposure: | No | Yes |
| Creative Exposure Modes: | Portrait, Landscape, Landscape+Portrait, Night, Night+Portrait, Sport, Indoor, Candle, Self Portrait, Available Light Portrait, Sunset, Fireworks, Cuisine, Behind Glass, Documents, Auction, Shoot & Select 1 / 2, Beach&Snow, Pre-capture Movie | 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: | 12 seconds seconds | 10, 2, Remote, 10s Continuous (2-10) seconds |
| Time Lapse (intervalometer): | No | No |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | Auto, Red-Eye Reduction, Fill-In, Off | E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro |
| Flash Guide Number (ISO 100): | n/a | 13.0 m / 42.7 ft. |
| Flash Range Description: | Wide: 0.66 - 14.4ft. (0.2 - 4.4m); Tele: 1.2 – 10.2ft. (0.6 - 3.1m) at ISO 800 | Lens aperture dependent |
| Max Flash Sync: | 1/200 | |
| Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | |
| External Flash Connection: | n/a | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | xD | SD / SDHC / SDXC |
| UHS Support: | UHS-I | |
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | No | Yes |
| Uncompressed Format: | .CR2 RAW (14-bit), RAW+L/F JPEG | |
| Movie File Format: | AVI Motion JPEG | MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container |
| Included Memory: | 14.8 MB | No memory included |
| Included Memory Type: | built-in memory | |
| 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: | No | Yes |
| DPOF Compliant: | No | Yes |
| Remote Control: | No | Yes |
| Remote Control Type: | Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1) | |
| Connections (extended): | 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): | 0.37 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.34 | |
| Buffer size for RAW shooting in single shot mode (frames): | 9 | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.37 | |
| Camera penalizes early shutter press? | No | |
| JPEG shooting speed in burst mode (fps, max resolution): | 1.0 | 4.8 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 6 | 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): | 0.27 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): | 0.094 seconds | |
| Shutter lag (full AF, with flash): | 0.28 seconds | |
| Shutter Lag (prefocused): | 0.074 seconds | |
| Shutter Lag (notes): | 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: | 0.7 seconds | |
| Play -> Record Time: | 0.3 seconds | |
| Flash cycle time, full power: | 3.3 seconds | |
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 180 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 440 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary LI-50B | Proprietary LP-E8 |
| Usable Battery Types: | Lithium Ion rechargeable | Lithium-ion rechargeble |
| Batteries Included: | 1 x Proprietary LI-50B 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 | |
| Internal Charging Supported: | No | |
| Software | ||
| Included Software: | EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor) | |
| OS Compatibility: | 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: | 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. | |
