• 1/1.7 inch 43.3mm2
  • 10.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Canon PowerShot G12
  • Canon EOS Rebel T4i (EOS 650D)
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website
Canon PowerShot G12 webpage
Manufacturer website
Predecessor: Canon G11
G11 vs G12
Canon T3i
T3i vs T4i
Successor: Canon G15
G12 vs G15
Canon T5i
T4i vs T5i
General
Model Number: G12 T4i
Alternate Model Number(s):   EOS 650D, Kiss X6i
Camera Format: Mid-Sized SLR
Currently Manufactured: No No
Retail Price: $499.99 $1199.00
Street Price: $853.79 $699.98
Date Available: 2010-10-01 2012-06-30
Tripod Mount: Yes Yes
Weight: 14.2 oz (402 g)
includes batteries
36.6 oz (1,039 g)
includes batteries, kit lens
Size: 4.4 x 3.0 x 1.9 in.
(112 x 76 x 48 mm)
5.2 x 3.9 x 3.1 in.
(133 x 100 x 79 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Canon
Effective Megapixels: 10.0 18.0
Sensor Format: 1/1.7 inch APS-C
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 2.08 microns 4.30 microns
Focal Length Multiplier: n/a 1.6x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 47 62
DxO Color Depth Score (bits): 20.4 21.7
DxO Dynamic Range Score (evs): 11.2 11.2
DxO Maximum Effective ISO Score (iso): 161 722
Image Capture
Image Resolution: 3648 x 2736 (10.0 MP, 4:3),
3648 x 2432 (8.9 MP, 3:2),
3648 x 2048 (7.5 MP, 16:9),
2816 x 2112 (5.9 MP, 4:3),
2816 x 1880 (5.3 MP, 3:2),
2816 x 1584 (4.5 MP, 16:9),
1600 x 1200 (1.9 MP, 4:3),
1600 x 1064 (1.7 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
640 x 424 (0.3 MP, Other),
640 x 360 (0.2 MP, 16:9),
1824 x 1368 (2.5 MP, 4:3)
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)
Image File Format: JPEG (EXIF 2.2), CR2 JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG
Continuous-mode frames/second: 2.0 4.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (24)
640x480 (30)
320x240 (30)
1920x1080 (30/​25/​24)
1280x720 (60/​50)
640x480 (30/​25)
Movie File Format: MOV (Image: H.264, Audio: PCM) MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Canon EF/EF-S
Lens: Canon Zoom Lens, 11 elements in 9 groups, 1 aspherical element Canon EF-S 18-135mm f/3.5-5.6 IS STM
Focal Length (35mm equivalent): 28 - 140mm 29 - 216mm
Focal Length (actual): 6.1 - 30.5mm 18 - 135mm
Zoom Ratio: 5.00x 7.50x
Aperture Range: f/2.8 (W) / f/4.5 (T) - f/8.0 f/3.5 - 22 (wide) / f/5.6 - 38 (tele)
Integrated ND Filter: Yes No
Normal Focus Range: 5 cm to Infinity
2.0 in to Infinity
39 cm to Infinity
15.4 in to Infinity
Macro Focus Range: 1 - 50 cm
0.4 - 19.7 in
 
Filter Thread: n/a 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 4x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect AF with Face Detection; 9-point AiAF, 1-point (center for face select and track) 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
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: Real-image optical zoom SLR type; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.53x
Viewfinder Magnification (nominal/claimed):   0.85x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.8 3.0
Rear Display Resolution: 461,000 dots 1,040,000 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
Max Playback Zoom: 10.0x 10.0x
Top Deck Display: No
Exposure
Maximum ISO (native):   12800
Minimum ISO (native):   100
ISO Settings: Auto, 80 to 3200 in 1/3 EV steps; up to 12800 in 2.5-mp Low Light mode Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Flash, Custom 1/2, Underwater Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom
Shutter Speed Range: 1/4000 - 15 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Evaluative, Center-weighted average, Spot, Face Detect AE 63-zone Evaluative (linked to any AF point), Center-weighted, Partial (9%), Spot (4%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Landscape, Night Scene, Sports, Night Snapshot, Kids & Pets, Indoor, Sunset, Foliage, Snow, Beach, Fireworks, Aquarium, Underwater, Color Accent, Color Swap, Stitch Assist., Special Scene, Low Light 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
Self Timer: 1 - 30 seconds 10, 2, Remote, 10s Continuous (2-10) seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Auto w/Red-eye Reduction, Flash On, Flash On w/Red-eye Reduction, Flash Off; FE lock, Safety FE, Slow Synchro, Second-curtain synchro E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro
Flash Guide Number (ISO 100): n/a 13.0 m / 42.7 ft.
Flash Range Description: Auto ISO: 1.6 ft.-23 ft./50 cm-7 m (W), 1.6-13 ft./50cm-4.0m (T) Lens aperture dependent
Max Flash Sync: 1/2000 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: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: CR2 .CR2 RAW (14-bit), RAW+L/F JPEG
Movie File Format: MOV (Image: H.264, Audio: PCM) MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
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: No Yes
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: No Yes
Remote Control Type:   Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1)
Connections (extended): HDMI mini out Mini (Type-C) HDMI-CEC, External 3.5mm Stereo Mic Jack, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 2.40 0.37
Cycle time for RAW shooting in single shot mode (seconds per frame): 2.70 0.34
Buffer size for RAW shooting in single shot mode (frames): Unlimited 9
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.37
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.0 4.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 19
RAW shooting speed in burst mode (fps):   5.1
Buffer size for RAW shooting in burst mode (frames):   6
RAW+JPEG shooting speed in burst mode (fps):   5.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):   3
Shutter lag (full AF, wide/mid): 0.66 seconds 0.27 seconds
Shutter lag (full AF, tele): 0.75 seconds  
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
Shutter lag (full AF, with flash): 0.98 seconds 0.28 seconds
Shutter Lag (prefocused): 0.076 seconds 0.074 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
Startup Time: 2.7 seconds 0.7 seconds
Play -> Record Time:   0.3 seconds
Flash cycle time, full power: 4.1 seconds 3.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 370 shots 180 shots
Battery Life, Still (CIPA Rating OVF/EVF):   440 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NB-7L Proprietary LP-E8
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeble
Batteries Included: 1 x Proprietary NB-7L Lithium-ion rechargeable 1 x Proprietary LP-E8 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: Digital Camera Solution CD-ROM EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor)
OS Compatibility: Windows XP SP3/Vista/7, Mac OS 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: Articulating LCD, Optical Image Stabilization, RAW Mode, 720p HD Videos, HDMI Out, Face, Blink, Motion Detection, Intelligent Contrast Correction, HDR Mode, Low Light Mode. 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.