Type     Digital, AF/AE single-lens reflex, camera with built-in flash
Recording Media     SD/SDHC/SDXC card, via external media (USB v.2.0 hard drive, or via Wireless LAN (Eye-Fi card*)) 
*Canon cameras are not guaranteed to support Eye-Fi card functions,  including wireless transfer. In case of an issue with the Eye-Fi card,  please consult with the card manufacturer. The use of Eye-Fi cards may  not be approved in all regions, or from one region to another; please  contact the card manufacturer for status of approval in the  country/region of use.
Image Format     22.3 x 14.9 mm (APS-C size)
Compatible Lenses     Canon EF lenses including EF-S lenses
(35mm-equivalent focal length is approx.1.6x the lens focal length)
Lens Mount     Canon EF mount
Type     High-sensitivity, high-resolution, large single-plate CMOS sensor
Pixels     Effective pixels: Approx. 18.0 megapixels
Total Pixels     Total pixels: Approx. 18.70 megapixels
Aspect Ratio     3:2 (Horizontal : Vertical)
Color Filter System     RGB primary color filters
Low Pass Filter     Fixed position in front of the CMOS sensor
Dust Deletion Feature     (1) Automatic Sensor Cleaning 
- Removes dust adhering to the low-pass filter.
-  
- Self-cleaning executed automatically (taking 2 sec.) when power  is turned on or off. Manual execution also possible (taking 5 sec.).
- Low-pass filter has a fluorine coating.
(2) Dust Delete Data appended to the captured image 
-  The coordinates of the dust adhering to the low-pass filter are detected by a test shot and appended to subsequent images.
- The dust coordinate data appended to the image is used by the provided software to automatically erase the dust spots.
(3)  Manual cleaning of sensor
Recording Format     Design rule for Camera File System 2.0 and 2.30
File Size     (1) Large: Approx. 17.90 Megapixels (5,184 x 3,456)
(2) Medium: Approx. 8.00 Megapixels (3,456 x 2,304)
(3) Small: Approx. 4.50 Megapixels (2,592 x 1,728)
(4) S2: Approx. 2.50 Megapixels (1,920 x 1,280)
(5) S3: Approx. 0.35 Megapixels (720 x 480)
(6) RAW: Approx. 17.90 Megapixels (5,184 x 3,456)
Exact file sizes depend on the subject, ISO speed, Picture Style, etc.
Recording Functions     Images record directly to the SD card.
File Numbering     Consecutive numbering, auto reset, manual reset.
RAW + JPEG Simultaneous Recording     RAW and Large JPEG images are recorded simultaneously
Color Space     sRGB, Adobe RGB
Picture Style     Auto, Standard, Portrait, Landscape, Neutral, Faithful, Monochrome, User Defined 1-3
Settings     Auto, Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom
Auto White Balance     Auto white balance with the image sensor
Color Temperature Compensation     White balance correction: 
- Blue/amber bias: ±9 levels 
- Magenta/green bias: ±9 levels
White balance bracketing:  
- ±3 levels, in single-level increments
Color Temperature Information TransmissionProvided
Type     Eye-level SLR (with fixed pentamirror)
Coverage     Vertical/Horizontal approx. 95% (TD)
Magnification     Approx. 0.85x / 23.8° (with 50mm lens at infinity, -1 m
-1 (dpt))
Eye Point     Approx. 19 mm (At -1m
-1 from the eyepiece lens center)
Dioptric Adjustment Correction     Adjustable from approx. -3.0 to +1.0 m
-1 (dpt)
Focusing Screen     Fixed
Mirror     Quick-return half mirror (transmittance: reflectance ratio of 40:60)
Viewfinder Information     1) AF information (AF points, focus confirmation light)
2) Exposure information (Shutter speed, aperture, ISO speed, AE lock, exposure level, spot metering circle, exposure warning)
3) Flash information (Flash ready, flash exposure compensation, high-speed sync, FE lock, red-eye reduction light)
4) Image information (Highlight tone priority, Monochrome shooting,  maximum burst, white balance correction, SD card information)
5) Composition information (Grid, electronic level)
6) Battery check
Depth Of Field Preview     Enabled with depth-of-field preview button
Type     TTL-CT-SIR AF-dedicated CMOS sensor
AF Points     9 points (Center AF point is cross-type, vertical-line sensitive at f/2.8.)
AF Working Range     EV -0.5 - 18 (at 23°C/73°F and ISO 100, based on Canon's testing standards)
Focusing Modes     (1) Autofocus 
- One-Shot AF 
- Predictive AI Servo AF 
- AI Focus AF 
(2) Manual focus (MF)     
AF Point Selection     (1) Manual selection
(2) Auto selection
* Automatically set (2) in Basic Zone modes and A-DEP mode.
Selected AF Point Display     Indicated by superimposed display in the viewfinder and on the LCD monitor
AF Assist Beam     (1) Intermittent firing of built-in flash
(2) Effective range: Approx. 4 m/13.1 ft at center, approx. 3.5 m/11.5 ft at periphery
* With an EOS-dedicated Speedlite attached, the Speedlite's AF-assist beam is emitted instead.
* Compatible with assist-beam (intermittent firing) of 320EX, 270EX II and 270EX flashes.
Metering Modes     TTL maximum aperture metering with 63-zone metering sensor 
- Evaluative metering (linkable to all AF points)
- Partial metering (center, approx. 9% of viewfinder at center)
- Spot metering (center, approx. 4% of viewfinder at center)
- Center-weighted average metering 
Metering RangeEV 1.0 - EV 20.0 (at 73°F/23°C with EF50mm f/1.4 USM lens, ISO 100)
Exposure Control Systems     Program AE (Shiftable), Shutter-priority AE, Aperture-priority  AE, Manual exposure, Automatic depth-of-field, Scene Intelligent Auto,  Flash Off, Creative Auto, Programmed Image Control modes, E-TTL II  autoflash program AE
ISO Speed Range     Auto, ISO 100 - 6400 (in whole-stop increments), H: 12800
Exposure Compensation     Manual: ±5 stops in 1/3- or 1/2-stop increments (AEB ±2 stops)
* Indicated up to ±3 stops in the viewfinder.
AE Lock     Auto: Applied in One-Shot AF mode with evaluative metering when focus is achieved
Manual: By AE lock button
Shutter     Vertical-travel, mechanical, focal-plane shutter with all  speeds electronically controlled.   1/4000 to 1/60 sec., X-sync at 1/200  sec.
1/4000 to 30 sec., Bulb (Total shutter speed range. Available range varies by shooting mode.) 
- Settable in 1/3- or 1/2-stop increments.
Soft-touch electromagnetic release   10-sec. or 2-sec. delay   (1) The  EOS Rebel T3i has a remote control terminal for Remote Switch RS-60E3.
(2) Compatible with Remote Controller RC-6, RC-1 and RC-5.       
Type     Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled.
Shutter Speeds     1/4000 to 1/60 sec., X-sync at 1/200 sec.
1/4000 to 30 sec., Bulb (Total shutter speed range. Available range varies by shooting mode.) 
- Settable in 1/3- or 1/2-stop increments.
Shutter ReleaseSoft-touch electromagnetic release
Self Timer     10-sec. or 2-sec. delay
Remote Control     (1) The EOS Rebel T3i has a remote control terminal for Remote Switch RS-60E3.
(2) Compatible with Remote Controller RC-6, RC-1 and RC-5.
Type     Auto pop-up, retractable, built-in flash in the pentaprism
Guide Number     Approx. 13/43 (at ISO 100 in meters/feet)
Recycling Time     Approx. 3 sec.
Flash Ready Indicator     Flash-ready icon lights in viewfinder
Flash Coverage     Up to 17mm focal length (equivalent to approx. 28mm in 135 format)
FE Lock     Provided
Flash Exposure Compensation     Up to ±2 stops in 1/3- or 1/2-stop increments
- Flash exposure compensation for built-in flash and Speedlite can be set with the camera.
Flash MeteringE-TTL II autoflash
Flash Exposure Compensation     ±2 stops in 1/3-stop or 1/2-stop increments
FE Lock     Provided
Drive Modes     Single, Continuous, 10-sec. self-timer/Remote control, 2-sec. self-timer, Continuous shooting after 10-sec. self-timer
Continuous Shooting Speed     Max. approx. 3.7 fps [TD] (with One-Shot AF or AI SERVO AF)
* Same as with Battery Grip BG-E8 loaded with size-AA/LR6 alkaline batteries.
Maximum Burst     JPEG (Large/Fine): approx. 34
RAW: approx. 6
RAW+JPEG (Large/Fine): approx. 3
* The number of possible shots and maximum burst apply to a 4GB card based on Canon's testing standards.
* The image file size, number of possible shots, and maximum burst will  vary depending on the shooting conditions (3:2 aspect ratio, subject,  memory card brand, ISO speed, Picture Style, Custom Functions, etc.).
* "F" indicates that continuous shooting is possible until the card becomes full.
Shooting Modes     Still photo shooting and video shooting
Focusing     (1) Autofocus (Same as focusing with Live View shooting)
Before shooting a movie, 1, 2, and 3 below are possible.
AF during movie shooting is possible with [AF w/ shutter button during  video]. When this is set to [Enable], 1 and 2 below are possible:
A. Live mode
B. Face detection Live mode
C. Quick mode
* If 3 has been set when you start shooting a movie, it will switch to 1 automatically.
(2) Manual focusing
* Magnify the image by about 5x or 10x and focus manually.
* Magnified view not possible with digital zoom nor during movie shooting.
Metering Modes     (1) AF point-linked evaluative metering
* Used when the AF mode is Face detection Live mode and a face has been detected.
(2) Center-weighted average metering
* Used during manual focus, when the AF mode is Face detection Live mode  and a face has not been detected. Also used in the Live mode and Quick  mode.
* Metering range: EV 0 to EV 20 (At 23°C/73°F and ISO 100, with 50mm f/1.4 lens)
Metering Range     EV 0 to EV 20 (At 23°C/73°F and ISO 100, with 50mm f/1.4 lens)
Grid Display     Two grids provided (not displayed during movie shooting):
(1) Grid 1: Pair of vertical and horizontal lines
(2) Grid 2: 5 vertical and 3 horizontal lines
Exposure Simulation     Provided
Silent Shooting     Not provided
Type     TFT color, liquid-crystal monitor
Monitor Size     3.0 in. (Screen aspect ratio of 3:2)
Pixels     Approx. 1,040,000 dots
Coverage     Approx. 100%
Viewing Angle: 170°
Brightness Control     Adjustable to one of seven brightness levels
Interface Languages     25 (English, German, French, Dutch, Danish, Portuguese, Finnish,  Italian, Norwegian, Swedish, Spanish, Greek, Russian, Polish,  Hungarian, Czech, Romanian, Ukraine, Turkish, Arabic, Thai, Simplified  Chinese, Traditional Chinese, Korean and Japanese)
Display Format     (1) Single image display 
- Single image, basic information, detailed information, histogram display
(2) Index display 
- 4-image index and 9-image index.
(3) Jump display (Image jump w/ Main Dial) 
- 1/10/100 images, shooting date, by folder, movies, stills, rating
Highlight AlertOn the detailed information and histogram displays, highlight areas with no image data will blink.
Protection     Erase protection can be applied/canceled for a single image, all images in a folder, or all images in the card.
Erase     Erase single image, erase selected images, erase all images on  folder, erase all images in a card, or erase only unprotected images.
Compatible Printers     PictBridge-compatible printers
Printable Images     JPEG images complying to Design rule for Camera File System 
- RAW images printable.
- Movies cannot be printed. 
DPOFVersion 1.1 compatible
Custom Functions     11 Custom Functions with 34 settings settable with the camera
Camera User Settings     Not provided
Battery     Battery Pack LP-E8 x 1
* With the AC Adapter Kit ACK-E8, AC power is possible.
* With BG-E8, two battery packs (LP-E8) can be used. Or six size-AA/LR6 batteries can be used.
Battery Life     1) Camera body only: | Shooting Method | Temperature | Shooting Conditions | 
 | AE 100% | AE 50%, FA 50% | 
 | Viewfinder Shooting | At 73°F/23°C | Approx. 550 | Approx. 440 | 
   | At 32°F/0°C | Approx. 470 | Approx. 400 | 
 | Live View Shooting | At 73°F/23°C | Approx. 200 | Approx. 180 | 
   | At 32°F/0°C | Approx. 170 | Approx. 150 | 
 
2) With Battery Grip BG-E8:   | Shooting Method | Battery | Temperature | Shooting Conditions | 
 | AE 100% | AE 50%, FA 50% | 
 | Viewfinder Shooting | LP-E8 x 1 | Same as (1) | 
   | LP-E8 x 2 | At 73°F/23°C | Approx. 1100 | Approx. 880 | 
   | At 32°F/0°C | Approx. 940 | Approx. 800 | 
   | Size-AA/LR6 alkaline batteries
 | At 73°F/23°C | Approx. 470 | Approx. 270 | 
   | At 32°F/0°C | Approx. 130 | Approx. 80 | 
 | Live View Shooting | LP-E8 x 1 | Same as (1) | 
   | LP-E8 x 2 | At 73°F/23°C | Approx. 400 | Approx. 360 | 
   | At 32°F/0°C | Approx. 340 | Approx. 300 | 
   | Size-AA/LR6 alkaline batteries
 | At 73°F/23°C | - | - | 
   | At 32°F/0°C | - | - | 
 
The figures above are based on CIPA (Camera & Imaging Products Association) testing standards     Battery Check     Automatic battery level check when power is turned ON.
Battery level indicated in one of four levels on LCD monitor.
Power Saving     Power turns off after the set time of non-operation elapses
* [Auto power off] settable to 30 sec., 1 min., 2 min., 4 min., 8 min., or 15 min.
Date/Time Battery     Built-in secondary battery. When fully-charged, the date/time can be maintained for about three months.
Start-up Time     Approx. 0.1 sec. (Based on CIPA testing standards)
Dimensions (W x H x D)     Approx. 5.2 x 3.9 x 3.1 in./133.1 x 99.5 x 79.7mm
Weight     Approx. 18.2 oz. / 515g (body only)
Working Temperature Range     32-104°F/0-40°C
Working Humidity Range     85% or less
All data are based on Canon's Standard Test Method. Subject to change without notice. ?
If a problem occurs with a non-Canon lens attached to the camera, consult the lens maker.  Canon, DIGIC and EOS Rebel are registered trademarks of Canon Inc. in  the United States and may also be registered trademarks or trademarks in  other countries. Microsoft, Windows and Windows Vista are trademarks or  registered trademarks of Microsoft Corporation in the United States  and/or other countries. Mac is a trademark of Apple, Inc., registered in  the United States and other countries. HDMI, the HDMI logo and  High-Definition Multimedia Interface are registered trademarks or  trademarks of HDMI Licensing, LLC in the United States and/or other  countries. All other products and brand names are registered trademarks,  trademarks or service marks of their respective owners in the United  States and/or other countries.
Features
High Resolution Still Capture.
The  EOS Rebel T3i has an 18.0 Megapixel CMOS (Complementary Metal Oxide  Semiconductor) sensor that captures images with exceptional clarity and  tonal range and offers more than enough resolution for big enlargements  or crops. This first-class sensor features many of the same new  technologies as used by professional Canon cameras to maximize each  pixel's light-gathering efficiency. Its APS-C size sensor creates an  effective 1.6x field of view (compared to 35mm format).  
DIGIC 4 Image ProcessorThe Canon DIGIC 4 Image Processor dramatically speeds up the entire EOS  Rebel T3i DSLR's camera operations for intuitive operation and offers  improvements in both fine detail and natural color reproduction. It  works in concert with the EOS Rebel T3i DSLR's CMOS Image Sensor to  achieve phenomenal levels of performance in nearly any situation.  
OVERVIEW
The REBEL on the Move.
Photographers  looking for an easy-to-use camera that will help them create their next  masterpiece need look no further than the Canon EOS Rebel T3i. The next  in a long line of phenomenal compact DSLRs, the EOS Rebel T3i continues  the Rebel tradition of easy operation, compact design and no-compromise  performance. Featuring Canon's newest DIGIC 4 Image Processor and an  18.0 Megapixel CMOS Image Sensor - plus cutting-edge technologies like  Full HD video recording, Live View shooting, Wireless flash photography  and even a Vari-angle 3.0-inch LCD monitor - the EOS Rebel T3i offers  the best of EOS photography in a compact package.