• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • Detailed specifications
  • Canon EOS Rebel T4i (EOS 650D)
  • Olympus OM-D E-M1
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon T3i
T3i vs T4i
 
Successor: Canon T5i
T4i vs T5i
Olympus E-M1 II
E-M1 vs E-M1 II
General
Model Number: T4i E-M1
Alternate Model Number(s): EOS 650D, Kiss X6i  
Camera Format: SLR Compact System Camera
Currently Manufactured: No No
Retail Price: $1199.00 $1300.00
Street Price: $699.00 $999.00
Date Available: 2012-06-30 2013-10-15
Tripod Mount: Yes Yes
Weight: 36.6 oz (1,039 g)
includes batteries, kit lens
17.5 oz (497 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(133 x 100 x 79 mm)
5.1 x 3.7 x 2.5 in.
(130 x 94 x 63 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS Live MOS
Sensor Manufacturer: Canon  
Effective Megapixels: 18.0 16.1
Sensor Format: APS-C 4/3
Sensor size: 332.27mm2 (22.30mm x 14.90mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 4.30 microns 3.75 microns
Focal Length Multiplier: 1.6x 2.0x
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes Yes
DxO Sensor Score: 62 73
DxO Color Depth Score (bits): 21.7 23.0
DxO Dynamic Range Score (evs): 11.2 12.7
DxO Maximum Effective ISO Score (iso): 722 757
Image Capture
Image Resolution: 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)
4608 x 3456 (15.9 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1280 x 980 (1.3 MP, Other),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG JPEG, MPO, 12-bit RAW, RAW + JPEG
Continuous-mode frames/second: 4.8 9.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30/​25/​24)
1280x720 (60/​50)
640x480 (30/​25)
1920x1080 (30p (24Mbps/​16Mbps))
1280x720 (30p (12Mbps/​8Mbps))
640x480 (30p)
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Micro Four Thirds
Lens: Canon EF-S 18-135mm f/3.5-5.6 IS STM n/a
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: 67.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 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 High-speed Dual AF: 37-point On-Chip Phase Detection AF or 81-point Contrast Detection AF with Group Target, Small Target and Super Spot AF modes
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter EVF; 2.36M-dot LCD, 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: No Yes
EVF Resolution: n/a 2,360,000 dots
Viewfinder Magnification (35mm equivalent): 0.53x 0.74x
Viewfinder Magnification (nominal/claimed): 0.85x 1.48x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,040,000 dots (345,600 px) 1,037,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 10.0x 14.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 200
ISO Settings: Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600 AUTO: ISO Low (100) - 25600 (customizable, Default 200-1600) / Manual ISO Low (100) - 25600, 1/3 or 1 EV steps selectable
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom WB, One-touch WB
Shutter Speed Range: 1/4000 - 30 sec 1/16000 - 60 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (9%), Spot (4%) Digital ESP metering (324-area multi pattern metering), Center weighted average metering, Spot metering, Spot metering with highlight control, Spot metering with shadow control
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: 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 Scene select AE (Portrait, e-Portrait, Landscape, Landscape + Portrait, Sport, Night, Night + Portrait, Children, High Key, Low Key, DIS mode, Macro, Nature Macro, Candle, Sunset, Documents, Panorama, Fireworks, Beach & Snow, Fisheye Conv., Wide Conv., Macro Conv., 3D with 3D lens(H-FT012 by Panasonic) only, still only.), Art Filter, Underwater wide / macro
Self Timer: 10, 2, Remote, 10s Continuous (2-10) seconds 2, 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual(1/1 (FULL) - 1/64)
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 7.0 m / 23.0 ft.
Flash Range Description: Lens aperture dependent Bundled FL-LM2 flash has GN of 7m/ISO 100
Max Flash Sync: 1/200 1/320
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .CR2 RAW (14-bit), RAW+L/F JPEG 12-bit RAW, RAW + JPEG
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1) Via Wi-Fi or optional Remote Cable RM-UC1
Connections (extended): Mini (Type-C) HDMI-CEC, External 3.5mm Stereo Mic Jack, Wired Remote Jack Micro HDMI (Type-D), combined AV/USB connector, Accessory Port 2, 3.5mm stereo mini jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.37 0.47
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.34 0.47
Buffer size for RAW shooting in single shot mode (frames): 9 Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.37 0.54
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 4.8 9.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 50
RAW shooting speed in burst mode (fps): 5.1 9.9
Buffer size for RAW shooting in burst mode (frames): 6 50
RAW+JPEG shooting speed in burst mode (fps): 5.6 9.9
Buffer Size for RAW+JPEG shooting in burst mode (frames): 3 34
Shutter lag (full AF, wide/mid): 0.27 seconds 0.14 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 0.068 seconds
Shutter lag (full AF, with flash): 0.28 seconds 0.27 seconds
Shutter Lag (prefocused): 0.074 seconds 0.047 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 Full Autofocus lag, Multi-area AF mode = 0.138s
Startup Time: 0.7 seconds 0.8 seconds
Play -> Record Time: 0.3 seconds 0.4 seconds
Flash cycle time, full power: 3.3 seconds 4.9 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 180 shots 350 shots
Battery Life, Still (CIPA Rating OVF/EVF): 440 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E8 Proprietary BLN-1
Usable Battery Types: Lithium-ion rechargeble Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E8 Lithium-ion rechargeble 1 x Proprietary BLN-1 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: EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor) Olympus Viewer 3 CD-ROM
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.