Comparison of the Sony SLT-A57 and the Canon EOS Rebel T2i
Sony SLT-A57
						50 points
					Canon EOS Rebel T2i
						36 points
					
					Sony SLT-A57				
				
				
						
						98 mm
							
							
						132 mm
					
				BODY
			
					Canon EOS Rebel T2i				
				
						98 mm
							
							
						129 mm
					
				2012
			YEARYear of announcement
			2010
		Plastic
			BODY MATERIAL
			Glass fiber reinforced plastic with stainless steel chassis
		Not
weather
sealed
			weather
sealed
WEATHER SEALING
			weather
sealed
Sony A
			LENS MOUNT
			Canon EF / EF-S
		n/a
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
			n/a
618 g
1.36 lb
1.36 lb
132 x 98 x 81 mm
5.2 x 3.9 x 3.2 in.
			5.2 x 3.9 x 3.2 in.
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
				& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
DIMENS.
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
			& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
129 x 98 x 75 mm
5.1 x 3.9 x 3 in.
				5.1 x 3.9 x 3 in.
530 g
1.17 lb
1.17 lb
Sony SLT-A57
			Canon EOS Rebel T2i
			16.1 MP
Sony Exmor CMOS APS-C Sensor
SENSOR The number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
				SENSOR Sensor manufacturer (if known) and sensor type.
			18.0 MP
Canon 1190 CMOS APS-C Sensor
16.1 MP
				EFFECTIVE MEGAPIX The number of effective megapixels (MP).
				18.0 MP
			23.5 x 15.6 mm
			SENSOR SIZE
			22.3 x 14.9 mm
		4912 x 3264 pixels
			MAX. RESOLUTIONMaximum still image resolution
				MAX. RESOLUT.Maximum still image resolution
			5184 x 3456 pixels
		1.5x
			CROP FACTORA 50mm lens on a camera with a crop factor of 1.5x would behave like a 75mm lens on a full-frame camera with a crop factor of 1x (50mm x 1.5 = 75mm)
			1.6x
		Bayer array
			COLOR FILTER
			Bayer array
		PIXEL PITCHThe center-to-center distance between two pixels (photosites) on a sensor. The larger the photosites, the more light they can capture and the lower is the level of visible "noise" in captured images.
							
				4.3 μm
				
			
		Fixed
			LOW-PASS FILTERA low-pass filter blurs fine details of an image to eliminate the moiré and the color artifacts of finely patterned structures. Without a low-pass filter images will appear sharper, but there is also a risk of moiré occurring in certain scenes.
			Fixed
		3:2
			NATIVE
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
				ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
			3:2
		Sony SLT-A57
			DXOMARK
			SENSOR
 SCOREAnalysis of the camera image quality by dxomark.comCanon EOS Rebel T2i
			75
OVERALL SCOREDXOMARK Sensor Overall Score shows a camera's sensor quality in terms of noise, ability to render high contrast, formation of colored noise, ability to shoot in low light.
			66
13
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
			11.5
785
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
			784
Sony SLT-A57
			Canon EOS Rebel T2i
			COVERAGE:
100 %
						100 %
REAL SIZE:
0.69
					0.69
VIEWFINDERThe viewfinder frame COVERAGE in percent and the real viewfinder SIZE (VF magnification corrected by the crop factor of a camera — this way cameras with different sensor sizes can be compared).
			COVERAGE:
95 %
						95 %
REAL SIZE:
0.54
					0.54
Electronic (1 440 000 dot LCD)
VF TYPE
			Optical (pentamirror)
Articulated
921 600 dot LCD
			921 600 dot LCD
REAR SCREEN
			Fixed 
1 036 800 dot LCD
		1 036 800 dot LCD
3 inch
			SCREEN SIZE
			3 inch
		LIVE VIEW & TOUCH SCREEN
			No top LCD panel
TOP LCD PANELLCD panel on top of the camera which provides information about the current camera settings.
			No top LCD panel
Sony SLT-A57
			Canon EOS Rebel T2i
			Phase detection
			AUTOFOCUS SYSTEM
AF SYSTEM
Phase detection, Contrast detection in Live View mode
		15
				15
				FOCUS POINTSAutofocus points
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
			as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
9
				9
3
			CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
1
		
-1
EV
			100
The minimum exposure value of the AF working range (at 23°C and ISO 100). The smaller this value, the less light is needed for normal autofocus operation.-0.5

17 %
			AF COVERAGEFrame coverage by AF sensors in percent.
				
			13 %
		Yes
			IN-BODY
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
			AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
None
		Sensor shift
			IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
No
		Sony SLT-A57
			Canon EOS Rebel T2i
			BIONZ CXD4132
			IMAGE
PROCESSOR
			PROCESSOR
DIGIC 4
		12 bit RAW, MPO, JPEG
			OUTPUT FORMATS
			14 bit RAW, JPEG
		Auto, 100 - 25600
			ISO SENSITIVITY
			Auto, 100 - 12800
		8
fps
fps
CONTINUOUS DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
				CONT. DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
			3.7
fps
fps
				23 JPEG shots
21 RAW shots
			21 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
			
				34 JPEG shots
6 RAW shots
			6 RAW shots
1080p @ 60 fps (Full HD)
			MAX. VIDEO RESOLUTION
VIDEO
1080p @ 30 fps (Full HD)
		-3/+3 EV  (in 1/3 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-5/+5 EV  (in 1/3 or 1/2 steps)
Bulb,
30 sec → 1/4000 sec
30 sec → 1/4000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
			Bulb, 
30 sec → 1/4000 sec
30 sec → 1/4000 sec
Sony SLT-A57
			Canon EOS Rebel T2i
			X-SYNC:
1/160
GUIDE
NUMBER:
NUMBER:
GN:
10
BUILT-IN FLASH
			GUIDE
NUMBER:
NUMBER:
GN:
13
X-SYNC:
1/200
Yes
			HOT SHOE
			Yes
		USB 2.0 (480 Mbit/sec)
			USB
			USB 2.0 (480 Mbit/sec)
		Microphone port, HDMI
CONNECTIONS
CONNECT.
HDMI
BUILT-IN
DEVICES
			DEVICES
SD, SDHC, SDXC, Memory Stick Pro Duo,  Pro-HG Duo
			STORAGE TYPES
			SD, SDHC, SDXC
		1
			CARD SLOTS
			1
		
		550
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
			440
shots
shots