• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Sony Alpha SLT-A37
  • Canon EOS Rebel T4i (EOS 650D)
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon T3i
T3i vs T4i
Successor:   Canon T5i
T4i vs T5i
General
Model Number: A37 T4i
Alternate Model Number(s):   EOS 650D, Kiss X6i
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $599.99 $1199.00
Street Price:   $789.00
Date Available: 2012-06-15 2012-06-30
Tripod Mount: Yes Yes
Weight: 25.6 oz (726 g)
includes batteries, kit lens
36.6 oz (1,039 g)
includes batteries, kit lens
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 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: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 16.1 18.0
Sensor Format: APS-C APS-C
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 4.82 microns 4.30 microns
Focal Length Multiplier: 1.5x 1.6x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 75 62
DxO Color Depth Score (bits): 23.3 21.7
DxO Dynamic Range Score (evs): 12.9 11.2
DxO Maximum Effective ISO Score (iso): 799 722
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),
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)
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, MPO, RAW (12-bit ARW 2.3), RAW+JPEG JPEG, .CR2 RAW (14-bit), RAW+L/F JPEG
Continuous-mode frames/second: 5.5 4.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i(FH)/​24p(FX)/​24p(FH))
1440x1080 (30p)
640x480 (30p)
1920x1080 (30/​25/​24)
1280x720 (60/​50)
640x480 (30/​25)
Movie File Format: AVCHD 1.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: 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 18-135mm f/3.5-5.6 IS STM
Focal Length (35mm equivalent): 27 - 83mm 29 - 216mm
Focal Length (actual): 18 - 55mm 18 - 135mm
Zoom Ratio: 3.06x 7.50x
Aperture Range: f/3.5 - 22 (W), f/5.6 - 36 (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
39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 2x Precision, Up to 2x Clear Image Zoom, 1.4x (8.4MP) or 2.0x (4MP) Smart Zoom n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking 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: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1.15M-dot LCD (380K-dot time-multiplexed RGB), 100% coverage, 1.1x magnification, 19mm eyepoint, -4 to +4 diopter SLR type; fixed eye-level pentamirror, 95% coverage, 0.85x mag., 19mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.53x
Viewfinder Magnification (nominal/claimed): 1.10x 0.85x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.6 3.0
Rear Display Resolution: 230,400 dots (76,800 px) 1,040,000 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
Max Playback Zoom: 11.8x 10.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 16000 12800
Minimum ISO (native): 100 100
ISO Settings: Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000; (Multi-frame NR mode up to ISO 25600) Auto(100-6400), 100-12800 in 1EV steps, expandable to H=25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm, Cool, Day, Daylight), Flash, Custom, Color Temp/Filter (2500-9900K with 15-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: +/- 3.0EV 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 (9%), Spot (4%)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sweep Panorama, 3D Sweep Panorama, Portrait, SportsAction, Macro, Landscape, Sunset, Night view, Hand-held Twilight (6 shot layering), Night Portrait, Picture Effect (Posterization (color/B/W), Pop Color, Retro Photo, Partial color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal/Cool), Soft High-key, Soft Focus (Hi/Mid/Lo), HDR Painting (Hi/Mid/Lo), Miniature (7 Settings)) 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: 2 or 10 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, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off E-TTL II: Auto, Manual flash, Integrated Speedlite Transmitter; Red-Eye Reduction; Second Curtain Synchro
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 13.0 m / 42.7 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:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (12-bit ARW 2.3), RAW+JPEG .CR2 RAW (14-bit), RAW+L/F JPEG
Movie File Format: AVCHD 1.0/MP4 (Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC) MPEG-4 AVC/H.264 video with stereo linear PCM audio in MOV container
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: Yes 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: Yes Yes
Remote Control Type: Optional Wired (RM-S1AM/RM-L1AM) Optional Wired (RS-60E3) or Wireless (RC-6 , RC-5, RC-1)
Connections (extended): Type-C Mini HDMI (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack, DC Input 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): 0.47 0.37
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.45 0.34
Buffer size for RAW shooting in single shot mode (frames): 2 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): 5.5 4.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10 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): 0.11 seconds 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): 0.080 seconds 0.094 seconds
Shutter lag (full AF, with flash): 0.32 seconds 0.28 seconds
Shutter Lag (prefocused): 0.057 seconds 0.074 seconds
Shutter Lag (notes): Full AF lag, Wide-area mode = 0.124s 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: 0.9 seconds 0.7 seconds
Play -> Record Time: 0.9 seconds 0.3 seconds
Flash cycle time, full power: 2.5 seconds 3.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   180 shots
Battery Life, Still (CIPA Rating OVF/EVF): 450 shots 440 shots
Battery Life, Video:    
Battery Form Factor: Proprietary Proprietary LP-E8
Usable Battery Types: NP-FW50 Lithium-ion rechargeable Lithium-ion rechargeble
Batteries Included: 1 x Proprietary NP-FW50 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: Sony Software 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 SP2/7, Mac OS X (v.10.3 +) 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: SteadyShot INSIDE Sensor-shift Image Stabilization (up to 4 EV correction), Full HD 1080i60 Video, Up to 7 fps Burst Mode (Tele-zoom Continuous Advance Priority AE), Enhanced Object Tracking AF, 2x Clear Image Digital Zoom, Auto Portrait Framing. 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.