Canon EOS 5D Mark III vs Canon ELPH 300 HS vs Canon ELPH 520 HS vs Canon EOS 5D

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Basic Info
Price range
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Release date	Mar 2, 2012	Feb 7, 2011	Jan 9, 2012	Aug 22, 2005

Characteristics
Body type	Mid-size SLR	Ultracompact	Ultracompact	Mid-size SLR
Max resolution	5760 x 3840	4000 x 3000	3648 x 2736	4368 x 2912
Pixels	22 MP	12 MP	10 MP	13 MP
Sensor detectors	23		17	13
Sensor type	CMOS	BSI-CMOS	BSI-CMOS	CMOS
Processor	Digic 5+	DIGIC 4 with iSAPS technology	DIGIC 5	Digic II
Image & lens
ISO	Auto, 100 - 25600 in 1/3 stops, plus 50, 51200, 102400 as option	Auto 100, 200, 400, 800, 1600, 3200	Auto 100, 200, 400, 800, 1600, 3200	100 - 1600 in 1/3 stops, plus 50, 3200 as option
Image stabilization		Optical	Optical
Digital zoom
Manual focus		3	1
Lens mount	Canon EF			Canon EF
Screen type	Fixed	Fixed	Fixed	Fixed
Screen size	1,040,000	230	461	230
Screen dots
Min. shutter speed	Yes	1/2000	1/4000	Yes
Aperture priority
Shutter priority
Other features
Built-in flash		3.50	2.50
Flash range				External
Continuous drive	Multi			Multi
Self-timer	Center-weighted	Multi	Multi	Center-weighted
Video	H.264	1920 x 1080 (24fps), 1280 x 720 (30 fps) 640 x 480 (30, 120 fps), 320 x 240 (30, 240 fps)	1920 x 1080 (24 fps), 1280 x 720 (30 fps) 640 x 480 (30, 120 fps), 320 x 240 (240 fps)
Microphone		Mono	Stereo
Storage	None	SD/SDHC/SDXC/MMC/MMCplus/HC MMCplus	microSD/microSDHC/microSDXC	None
Connectivity
USB	Yes	Yes	Yes
HDMI
Wireless	Yes			Yes
Weight		92 x 56 x 20	87 x 54 x 19
Orientation sensor	Optional			None
GPS
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The comparion is limited to 4 cameras at a time.