• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400
  • Detailed specifications
  • Canon EOS Rebel T4i (EOS 650D)
  • Sony Alpha ILCE-A7S III
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Canon T3i
T3i vs T4i
 
Successor: Canon T5i
T4i vs T5i
Sony A7S II
A7S III vs A7S II
General
Model Number: T4i A7S III
Alternate Model Number(s): EOS 650D, Kiss X6i ILCE-7SM3
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $1199.00 $3499.99
Street Price: $579.00 $3,348.00
Date Available: 2012-06-30 2020-09-01
Tripod Mount: Yes Yes
Weight: 36.6 oz (1,039 g)
includes batteries, kit lens
21.7 oz (614 g)
includes batteries
Size: 5.2 x 3.9 x 3.1 in.
(133 x 100 x 79 mm)
5.1 x 3.8 x 2.7 in.
(129 x 97 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Canon Sony
Effective Megapixels: 18.0 12.1
Sensor Format: APS-C 35mm
Sensor size: 332.27mm2 (22.30mm x 14.90mm) 847.28mm2 (35.60mm x 23.80mm)
Approximate Pixel Pitch: 4.30 microns 8.40 microns
Focal Length Multiplier: 1.6x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: Yes No
DxO Sensor Score: 62  
DxO Color Depth Score (bits): 21.7  
DxO Dynamic Range Score (evs): 11.2  
DxO Maximum Effective ISO Score (iso): 722  
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)
4240 x 2832 (12.0 MP, 3:2),
4240 x 2384 (10.1 MP, 16:9),
2768 x 1848 (5.1 MP, 3:2),
2768 x 1560 (4.3 MP, Other),
2128 x 1416 (3.0 MP, 3:2),
2128 x 1200 (2.6 MP, Other),
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)
Image File Format: JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG JPEG (8-bit), HEIF (10-bit), RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Continuous-mode frames/second: 4.8 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30/​25/​24)
1280x720 (60/​50)
640x480 (30/​25)
4264x2408 (60p)
3840x2160 (120p/​60p/​50p/​30p/​25p/​24p)
1920x1080 (240p/​120p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Canon EF/EF-S Sony E
Lens: Canon EF-S 18-135mm f/3.5-5.6 IS STM 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: 39 cm to Infinity
15.4 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 Up to 4x; 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 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 Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF
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, 0.85x mag., 19mm eyepoint, -3 to +1 diopter EVF: 0.64" 9.44M-dot QXGA color OLED, 100% coverage, 0.90x magnification, -4.0 to +3.0 diopter, 25mm eyepoint from the eyepiece lens
Focus Peaking: No Yes
EVF Resolution: n/a 9,437,184 dots (3,145,728 pixels)
Viewfinder Magnification (35mm equivalent): 0.53x 0.90x
Viewfinder Magnification (nominal/claimed): 0.85x 0.90x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,040,000 dots (345,600 px) 1,440,000 dots (480,000 px)
Touchscreen: Yes Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
Max Playback Zoom: 10.0x 13.3x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 102400
Minimum ISO (native): 100 80
ISO Settings: Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600 Auto, 80 - 102,400, expandable to 40 - 409,600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 57-step Magenta/Green and 29-step Amber/Blue compensation), Underwater
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%) 1200-zone Evaluative Multi-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: 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 3 Custom Settings; Creative Look; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step)
Self Timer: 10, 2, Remote, 10s Continuous (2-10) seconds 2, 5, 10; 3/5 shots after 2/5/10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Lens aperture dependent n/a
Max Flash Sync: 1/200 1/250
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Enhanced Multi Interface Hot Shoe, Sync Terminal
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC / CFexpress
UHS Support: UHS-I UHS-I
Other Memory:   2x CFexpress Type A+SD UHS-II
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: .CR2 RAW (14-bit), RAW+L/F JPEG RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF
Movie File Format: MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1) Yes, via USB or Wi-Fi
Connections (extended): Mini (Type-C) HDMI-CEC, External 3.5mm Stereo Mic Jack, Wired Remote Jack USB-C (USB 3.2 Gen 1, 5Gbps), Multi-Terminal Micro USB (with remote support), Type-A HDMI, 3.5mm Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.37  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.34  
Buffer size for RAW shooting in single shot mode (frames): 9  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.37  
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 4.8  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 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): 0.27 seconds  
Shutter lag (full AF, tele):    
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): 0.28 seconds  
Shutter Lag (prefocused): 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: 0.7 seconds  
Play -> Record Time: 0.3 seconds  
Flash cycle time, full power: 3.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 180 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 440 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary LP-E8 Proprietary
Usable Battery Types: Lithium-ion rechargeble NP-FZ100 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary LP-E8 Lithium-ion rechargeble 1 x Proprietary NP-FZ100 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No Yes
Software
Included Software: EOS Digital Solutions Disc (ImageBrowser EX, Digital Photo Professional, PhotoStitch, EOS Utility (inc. Remote Capture), Picture Style Editor) Capture One Express (for Sony) free download
OS Compatibility: 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) Windows, Mac OS X
Miscellaneous
Notes & Features: 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.