• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Canon EOS Rebel T3i (EOS 600D)
  • Nikon D800
Links
Prices:    
Manufacturer URL: Manufacturer website
Canon EOS Rebel T3i (EOS 600D) webpage
Manufacturer website
Nikon D800 webpage
Predecessor: Canon T2i
T2i vs T3i
Nikon D700
D700 vs D800
Successor: Canon T4i
T3i vs T4i
Nikon D810
D800 vs D810
General
Model Number: T3i D800
Alternate Model Number(s): EOS 600D, Kiss X5  
Camera Format: SLR Pro SLR
Currently Manufactured: No No
Retail Price: $599.99 $2999.95
Street Price: $548.99 $1,849.95
Date Available: 2011-03-15 2012-03-30
Tripod Mount: Yes Yes
Weight: 36.4 oz (1,031 g)
includes batteries, kit lens
35.6 oz (1,008 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(133 x 100 x 80 mm)
5.7 x 4.8 x 3.2 in.
(146 x 123 x 82 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 18.0 36.3
Sensor Format: APS-C 35mm
Sensor size: 332.27mm2 (22.30mm x 14.90mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 4.30 microns 4.88 microns
Focal Length Multiplier: 1.6x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65 95
DxO Color Depth Score (bits): 22.1 25.3
DxO Dynamic Range Score (evs): 11.5 14.4
DxO Maximum Effective ISO Score (iso): 793 2,853
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)
7360 x 4912 (36.2 MP, 3:2),
5520 x 3680 (20.3 MP, 3:2),
3680 x 2456 (9.0 MP, 3:2),
6114 x 4080 (24.9 MP, 3:2),
4608 x 3056 (14.1 MP, Other),
3072 x 2040 (6.3 MP, Other),
4800 x 3200 (15.4 MP, 3:2),
3600 x 2400 (8.6 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
6144 x 4912 (30.2 MP, 5:4),
4608 x 3680 (17.0 MP, 5:4),
3072 x 2456 (7.5 MP, 5:4)
Image File Format: JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG JPEG (EXIF 2.3), RAW (NEF), 14 or 12-bit; TIFF
Continuous-mode frames/second: 3.6 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30/25/24)
1280x720 (60/50)
640x480 (30/25)
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p/25p)
Movie File Format: MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container (stereo with ext. mic) MOV (H.265/MPEG-4 AVC, Linear PCM audio)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: Yes n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Nikon F
Lens: Canon EF-S 18-135mm f/3.5-5.6 IS 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: 45 cm to Infinity
17.7 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 Yes
Digital Zoom Values: n/a 1.2x, 1.5x (DX), 5:4 crop modes
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detect with TTL-CT-SIR AF-dedicated CMOS Sensor: 9-point, 1 enhanced cross-type, 8 single-axis; Live View: Phase Detect, Contrast Detect, Face Detect modes 51-point TTL phase detection via Nikon Advanced Multi-CAM 3500FX including 15 cross-type sensors; f/8 supported by 11 central sensors; Contrast detection AF in Live View mode
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter SLR; eye-level pentaprism, 100% coverage, 0.7x magnification, 17mm eyepoint, -3 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.53x 0.70x
Viewfinder Magnification (nominal/claimed): 0.85x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,040,000 dots (346,000 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 10.0x  
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 6400 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 6400 in 1EV steps, H=12800 Auto, 100 - 6400 in 1/3, 1/2 or 1EV steps, plus down to 50 in Lo-1, up to 25,600 in Hi-2
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom Auto (2), Incandescent, Fluorescent (7), Direct Sunlight, Flash, Cloudy, Shade, Preset Manual (4), Color Temperature (2,500K-10,000K); Fine-tuning available for all options.
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 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%); iFCL with dual layer sensor 91K-pixel 3D Color Matrix Metering III, Center-weighted (weight of 75% given to 12-mm circle in center of frame; diameter of circle can be changed to 8, 15 or 20 mm, or weighting can be based on average of entire frame), Spot (4mm circle or about 1.5% frame, centered on selected focus area)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Creative Auto, Auto+, Portrait, Landscape, Close-up, Sports, Night portrait, Flash off, Auto Depth-of-field AE None
Self Timer: 10, 2, Remote, Continuous (2-10) seconds 2/5/10/20 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: E-TTL II: Auto, Manual flash; Red-Eye Reduction; Second Curtain Synchro Front-curtain sync, Slow sync, Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync; supports Advanced Wireless Lighting system
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens aperture dependent Lens aperture dependent
Max Flash Sync: 1/200 1/250 (up to 1/320s with lower flash range)
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe ISO-type hot-shoe, PC Sync terminal
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1 / SD / SDHC / SDXC
UHS Support: No UHS support UHS-I
Other Memory:   UDMA7/UHS-I compliant
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .CR2 RAW (14-bit), RAW+L/F JPEG RAW (NEF), 14 or 12-bit; TIFF
Movie File Format: MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container (stereo with ext. mic) MOV (H.265/MPEG-4 AVC, Linear PCM audio)
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: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed
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) Optional wired or wireless
Connections (extended): Mini (Type-C) HDMI-CEC, External Stereo Mic Jack, Wired Remote Jack Mini HDMI (Type C), 10-pin Expansion Terminal (GP-1 GPS compatible), Stereo Mic Mini Jack (3.5mm), Stereo Audio Out (3.5mm)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.44 0.42
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.46 0.39
Buffer size for RAW shooting in single shot mode (frames): 6 23
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.39 0.46
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 3.6 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 54
RAW shooting speed in burst mode (fps): 3.6 4.0
Buffer size for RAW shooting in burst mode (frames): 5 18
RAW+JPEG shooting speed in burst mode (fps): 3.3 4.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 3 14
Shutter lag (full AF, wide/mid): 0.28 seconds 0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 0.83 seconds 1.74 seconds
Shutter lag (prefocused, live view - DSLR): 0.084 seconds 0.184 seconds
Shutter Lag (manual focus): 0.114 seconds 0.044 seconds
Shutter lag (full AF, with flash): 0.26 seconds 0.22 seconds
Shutter Lag (prefocused): 0.087 seconds 0.043 seconds
Shutter Lag (notes): OVF: Auto Selection AF: 0.160s Live View: Phase-detect AF lag: 1.176s Contrast-detect AF lag: 0.826s Prefocused: 0.084s OVF, Full Autofocus, 51-point Auto Area = 0.306s Live View, Full Autofocus = 1.735s Live View, Prefocused = 0.184s
Startup Time: 1.5 seconds 0.3 seconds
Play -> Record Time: 1.2 seconds 0.2 seconds
Flash cycle time, full power: 3.2 seconds 3.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 180 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 440 shots 900 shots
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E8 Proprietary EN-EL15
Usable Battery Types: Lithium-ion rechargeble Lithium-ion rechargeable or MB-D12 battery grip
Batteries Included: 1 x Proprietary LP-E8 Lithium-ion rechargeble 1 x Proprietary EN-EL15 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 (EOS Utility, ZoomBrowser EX/ImageBrowser, Digital Photo Professional, Picture Style Editor, Movie Edit Task, Video Snapshot Task, PhotoStitch) Nikon ViewNX 2 CD-ROM
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.4+ Windows, Mac OS X
Miscellaneous
Notes & Features: Vari-angle high resolution 3:2 LCD, new EOS Scene Detection technology, Auto Picture Style, improved ALO and AWB, Feature Guide, Basic + Function, smooth video digital zoom, Video Snapshot, Creative Filters (Fisheye (new), Grainy, Soft Focus, Miniature, Toy, Fisheye, Multi), multi-aspect (3:2, 4:3, 16:9, 1:1), Image Verification (optional software required), built-in wireless Speedlite transmitter, up to 1080p movies with manual exposure control (aperture, shutter speed, ISO). New 36.3-megapixel full-frame CMOS sensor, New EXPEED 3 processor, 91K-dot Matrix Metering III, Improved Auto ISO, Full HD 1080p30 movies, HMDI simultaneous output, Dual SD+CF slots, USB 3.0.