Canon Rebel
T4i
 vs
Panasonic Lumix
DMC-GH3

General

 Canon 650D / T4i Panasonic Lumix DMC-GH3
Brand
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 Canon Panasonic
Lowest price
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 $699.00 $1,298.00
Announced
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 May, 2012 September, 2012

Sensor
Type
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 CMOS CMOS
Size
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 APS-C 22.3x14.9mm Four thirds 17.3x13.0mm
Crop factor
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 1.6x 2.1x
Megapixels
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 17.9 MP 16.2 MP
Light sensitivity
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 12,800 ISO 12,800 ISO
Light sensitivity (boost)
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 25,600 ISO 25,600 ISO
Sensor cleaning
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 Yes Yes

Sensor (Advanced)
True resolution
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 17.9 MP 16.2 MP
Native resolution
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 5184 x 3456 4680 x 3456
Pixel size
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 18.5 µm² 13.9 µm²

Screen
Type
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 LCD OLED
Size
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 3.0" 3.0"
Resolution
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 1,040k dots 614k dots
Touch screen
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 Yes Yes
Flips out
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 Yes Yes
Live view
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 Yes Yes

Lenses
Lens availability
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 162 lenses 26 lenses
Lens focus motor
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 Yes Yes
Lens mount
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 Canon EF Four Thirds

Form factor
Size
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 133x99x78 mm 132x93x82 mm
Depth
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 3.1" 3.2"
Weight
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 575 g 550 g
Interchangeable lenses
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 Yes Yes
Waterproof
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 No No
Weather sealed
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 No Yes

Viewfinder
Type
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 Pentamirror Digital
Viewfinder size
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 0.53x 0.64x
Coverage
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 95% 100%

Movies
Format
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 1080p @ 30fps 1080p @ 60fps
Supports 24p
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 Yes Yes
High-speed framerate
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 None None
External mic jack
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 Yes Yes
Autofocus
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 Phase detection Contrast detection
Continuous focus
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 Yes Yes
All formats
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 720p @ 60fps
720p @ 50fps
480p @ 25fps
1080p @ 30fps
480p @ 30fps
1080p @ 24fps
1080p @ 25fps		 1080p @ 24fps
1080p @ 30fps
1080p @ 30fps
1080p @ 24fps
720p @ 30fps
1080p @ 60fps
480p @ 30fps
1080p @ 60fps
1080p @ 60fps
1080p @ 30fps
720p @ 60fps
1080p @ 60fps
1080p @ 24fps

Features
Panorama
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 No No
HDR
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 Yes Yes
3D
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 No Yes
Image stabilization
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 None Lens
Supports RAW
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 Yes Yes
GPS
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 No Yes

Performance
Startup delay
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 700 ms Unknown
Shutter lag
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 269 ms Unknown
Battery life
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 440 shots 540 shots
Continuous shooting
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 5 fps 6 fps

Focus system
Autofocus
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 Phase detection Contrast detection
Focus points
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 9 23
Cross type focus points
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 9 Unknown

Shutter
Max
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 1/4000s 1/4000s
Min
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 30s 60s

Flash
Built-in flash
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 Yes Yes
Popup
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 Yes Yes
External connection
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 Yes Yes

Storage
Storage slots
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 1 1
Supported formats
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 SDHC
SDXC
SD		 SD
SDXC
SDHC

DXO Mark Scores
Image quality
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 62.0 71.0
Color depth
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 21.7 bits 22.7 bits
Dynamic range
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 11.2 EV 12.4 EV
Low light performance
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 722 ISO 812 ISO