• APS-C 323.4mm2
  • 12.2 megapixels
  • ISO 100 - 6400
  • APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • Detailed specifications
  • Canon EOS Rebel T3 (EOS 1100D)
  • Sony Alpha SLT-A57
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Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon XS
XS vs T3
 
Successor: Canon T5
T3 vs T5
 
General
Model Number: T3 A57
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $599.99 $799.99
Street Price: $199.00  
Date Available: 2011-03-15 2012-04-15
Tripod Mount: Yes Yes
Weight: 24.8 oz (702 g)
includes batteries, kit lens
29.2 oz (828 g)
includes batteries, kit lens
Size: 5.1 x 3.9 x 3.1 in.
(130 x 100 x 78 mm)
5.2 x 3.8 x 3.2 in.
(132 x 98 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 12.2 16.1
Sensor Format: APS-C APS-C
Sensor size: 323.4mm2 (22.00mm x 14.70mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 5.15 microns 4.82 microns
Focal Length Multiplier: 1.6x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 62 75
DxO Color Depth Score (bits): 21.9 23.4
DxO Dynamic Range Score (evs): 11.0 13.0
DxO Maximum Effective ISO Score (iso): 755 785
Image Capture
Image Resolution: 4272 x 2848 (12.2 MP, 3:2),
3088 x 2056 (6.3 MP, 3:2),
2256 x 1504 (3.4 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
720 x 480 (0.3 MP, 3:2)
4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
5536 x 2160 (12.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
3872 x 2160 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG, .CR2 RAW (14-bit), RAW+JPEG JPEG, MPO, RAW (12-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 2.9 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​25) 1920x1080 (60p(PS)/​60i(FX)/​60i(FH)/​24p(FX)/​24p(FH))
1440x1080 (30p)
640x480 (30p)
Movie File Format: MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Sony Alpha (Minolta A)
Lens: Canon EF-S 18-55mm f/3.5-5.6 IS II Sony 18-55mm f/3.5-5.6 DT SAM
Focal Length (35mm equivalent): 29 - 88mm 27 - 83mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.06x 3.06x
Aperture Range: f/3.5 - 22 (wide) / f/5.6 - 38 (tele) f/3.5 - 22 (W), f/5.6 - 36 (T)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 58.0mm 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detect with TTL-CT-SIR AF-dedicated CMOS Sensor: 9 points; 1 cross-type f/5.6, 8 single-axis; Live View: Phase Detect, Contrast Detect, Face Detect modes Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking
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, 0.80x mag., 21mm eyepoint, -2.5 to +0.5 diopter EVF type; 1.1cm (0.43") 1.44M/1.25M-dot LCD (480K/418K-dot time-multiplexed RGB), 100% coverage, 1.04x/0.97x magnification, 23.1/25.2mm eyepoint, -4 to +3 diopter
Focus Peaking: No Yes
EVF Resolution: n/a  
Viewfinder Magnification (35mm equivalent): 0.50x 0.69x
Viewfinder Magnification (nominal/claimed): 0.80x 1.04x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,400 dots (76,800 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x 13.6x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 16000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100 - 6400 in 1/3 or 1EV steps Auto (100-3200), 100 - 16000; (Multi-frame NR mode up to ISO 25600)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation)
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (10%); iFCL with dual layer sensor 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Creative Auto, Portrait, Landscape, Close-up, Sports,Night portrait, Flash off, Auto Depth-of-field AE Portrait, SportsAction, Macro, Landscape, Sunset, Night scene, Hand-held Twilight (6 shot layering), Night Portrait; Sweep Panorama, 3D Sweep Panorama, Auto Portrait Framing, Picture Effect (Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature), Dynamic Range Optimizer (Off/Auto/Level),
Self Timer: 10, 2, Continuous (2-10) seconds 2 or 10 seconds
Time Lapse (intervalometer): No  
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 Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 9.2 m / 30.2 ft. 10.0 m / 32.8 ft.
Flash Range Description: Lens aperture dependent Lens dependent
Max Flash Sync: 1/200 1/160
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support: No UHS support  
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: .CR2 RAW (14-bit), RAW+JPEG RAW (12-bit ARW 2.3), RAW+JPEG
Movie File Format: MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container AVCHD 2.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC)
Included Memory: 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 No
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: Optional Wired (RS-60E3) Optional Wireless or Wired
Connections (extended): Mini (Type-C) HDMI-CEC, Wired Remote Jack Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.42  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.42  
Buffer size for RAW shooting in single shot mode (frames): 4  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.76  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 2.9 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 25
RAW shooting speed in burst mode (fps): 2.0  
Buffer size for RAW shooting in burst mode (frames): 3  
RAW+JPEG shooting speed in burst mode (fps): 1.4  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 1  
Shutter lag (full AF, wide/mid): 0.31 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 0.93 seconds  
Shutter lag (prefocused, live view - DSLR): 0.099 seconds  
Shutter Lag (manual focus): 0.134 seconds  
Shutter lag (full AF, with flash): 0.32 seconds  
Shutter Lag (prefocused): 0.113 seconds  
Shutter Lag (notes): Optical Viewfinder: Wide-area AF lag: 0.190s Live View AF lags: Phase Detect = 1.244s Contrast Detect = 0.927s Prefocused = 0.099s  
Startup Time: 0.3 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power: 1.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 220 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 700 shots 550 shots
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E10 Proprietary
Usable Battery Types: Lithium-ion rechargeble NP-FM500H Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E10 Lithium-ion rechargeble 1 x Proprietary NP-FM500H 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) Sony Software CD-ROM
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.4+ Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)
Miscellaneous
Notes & Features: Feature Guide, Basic + Function, Video Snapshot, 720p Movies. SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4.5 EV correction), Full HD 1080p60 Video, Up to 12 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, New Auto Portrait Framing, Tilting 921K-dot LCD, 1.44M-dot EVF.