• APS-C 369.7mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • APS-C 323.4mm2
  • 12.2 megapixels
  • ISO 100 - 6400
  • Detailed specifications
  • Sony Alpha SLT-A55V
  • Canon EOS Rebel T3 (EOS 1100D)
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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: A55 T3
Alternate Model Number(s): SLT-A55 (w/o GPS)  
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $849.99 $599.99
Street Price: $733.99 $199.00
Date Available: 2010-10-15 2011-03-15
Tripod Mount: Yes Yes
Weight: 25.6 oz (727 g)
includes batteries, kit lens
24.8 oz (702 g)
includes batteries, kit lens
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
5.1 x 3.9 x 3.1 in.
(130 x 100 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 16.2 12.2
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 323.4mm2 (22.00mm x 14.70mm)
Approximate Pixel Pitch: 4.82 microns 5.15 microns
Focal Length Multiplier: 1.5x 1.6x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 73 62
DxO Color Depth Score (bits): 23.0 21.9
DxO Dynamic Range Score (evs): 12.4 11.0
DxO Maximum Effective ISO Score (iso): 818 755
Image Capture
Image Resolution: 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),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (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)
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)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG, .CR2 RAW (14-bit), RAW+JPEG
Continuous-mode frames/second: 9.0 2.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i)
1440x1080 (30/​25)
640x480 (30/​25)
1280x720 (30/​25)
Movie File Format: AVCHD, MP4 MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container
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: Sony Alpha (Minolta A) Canon EF/EF-S
Lens: Sony 18-55mm f/3.5-5.6 DT SAM Canon EF-S 18-55mm f/3.5-5.6 IS II
Focal Length (35mm equivalent): 27 - 83mm 29 - 88mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.00x 3.06x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/3.5 - 22 (wide) / f/5.6 - 38 (tele)
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. 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
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1,152Kdots, 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter SLR type; fixed eye-level pentamirror, 95% coverage, 0.80x mag., 21mm eyepoint, -2.5 to +0.5 diopter
Focus Peaking: No No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.50x
Viewfinder Magnification (nominal/claimed): 1.10x 0.80x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 921,600 dots 230,400 dots (76,800 px)
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 11.8x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 6400
Minimum ISO (native): 100 100
ISO Settings: Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) Auto, 100 - 6400 in 1/3 or 1EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (10%); iFCL with dual layer sensor
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Macro, Sports action, Sunset, Night portrait, Night view, Hand-held Twilight, Sweep Panorama (2D/3D) Creative Auto, Portrait, Landscape, Close-up, Sports,Night portrait, Flash off, Auto Depth-of-field AE
Self Timer: 2 or 10 seconds 10, 2, Continuous (2-10) seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off E-TTL II: Auto, Manual flash; Red-Eye Reduction; Second Curtain Synchro
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 9.2 m / 30.2 ft.
Flash Range Description: Lens dependent Lens aperture dependent
Max Flash Sync: 1/160 1/200
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: Full TTL exposure  
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG .CR2 RAW (14-bit), RAW+JPEG
Movie File Format: AVCHD, MP4 MPEG-4 AVC/H.264 video with mono linear PCM audio in MOV container
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes 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 Wireless or Wired Optional Wired (RS-60E3)
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack Mini (Type-C) HDMI-CEC, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.52 0.42
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.52 0.42
Buffer size for RAW shooting in single shot mode (frames): 28 4
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.76
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 9.0 2.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 32 17
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): 0.22 seconds 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): 0.214 seconds 0.134 seconds
Shutter lag (full AF, with flash): 0.48 seconds 0.32 seconds
Shutter Lag (prefocused): 0.103 seconds 0.113 seconds
Shutter Lag (notes): Full AF, wide-area mode = 0.218s 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: 0.9 seconds 0.3 seconds
Play -> Record Time: 0.6 seconds 0.3 seconds
Flash cycle time, full power: 3.7 seconds 1.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   220 shots
Battery Life, Still (CIPA Rating OVF/EVF): 330 shots 700 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary LP-E10
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeble
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary LP-E10 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: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) EOS Digital Solutions Disc (EOS Utility, ZoomBrowser EX/ImageBrowser, Digital Photo Professional, Picture Style Editor, Movie Edit Task, Video Snapshot Task, PhotoStitch)
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) Windows XP/Vista/7, Mac OS X 10.4+
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS. SLT-A55 is identical but without GPS. Feature Guide, Basic + Function, Video Snapshot, 720p Movies.