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What is the pixel pitch of the Panasonic GH3?

The Panasonic Lumix DMC-GH3 provides 15.9 megapixels from a Four Thirds sensor. This pixel density gives rise to a size of the individual pixel of 3.76µm.

The pixel size or pixel pitch can be calculated by dividing the sensor area by the pixel count and then taking the square root. In particular, the sensor in the Panasonic GH3 measures 17.3mm in width and 13.0mm in height, so that the total imaging area of the sensor amounts to 225 mm2. Moreover, the GH3 has 4 608 horizontal pixels and 3 456 vertical pixels, for a total of 15.9 megapixels. Then, the size (height or width) of each individual pixel can be calculated as the square root of the ratio of the sensor area (225 mm2) to the MP count (15 925 248).

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Larger pixels provide advantages with respect to gathering light, particularly in low-light situations. Large pixels notably have a better signal to noise ratio, meaning that they can better differentiate between incoming photons and the noisy signals that the internal processes of the camera create. As a result, big pixels are particularly helpful to the photographer when shooting with high ISO settings.

Sensor specs and performance

The table below compares the sensor specs of the Panasonic GH3 to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
2.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
3.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
4.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
5.
 
Panasonic GH5s Four Thirds 9.9 3680 27004K/60p23.112.8115474
6.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
7.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
8.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
9.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
10.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
11.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
Note: DXO values in italics represent estimates based on sensor size and age.
Further information on the sensor in the Panasonic GH3 and the camera's operation can be found in the camera manual.

In the United States, the GH3 was initially launched in September 2012 at a price of $1,299.

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Camera to camera comparisons

In case you are interested in seeing how this camera compares to another one, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications Summary
    Camera Model Panasonic GH3
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date September 2012
    Launch Price USD 1 299
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm
    Sensor Area 225 mm2
    Sensor Diagonal 21.6 mm
    Crop Factor 2.0x
    Sensor Resolution 15.9 Megapixels
    Image Resolution 4 608 x 3 456 pixels
    Pixel Pitch 3.76 μm
    Pixel Density 7.08 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability 1080/60p Video
    ISO Setting 200 - 12 800 ISO
    ISO Boost 125 - 25 600 ISO
    Image Processor Venus VII FHD
    DXO Sensor Quality (score) 71
    DXO Color Depth (bits) 22.7
    DXO Dynamic Range (EV) 12.4
    DXO Low Light (ISO) 812
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.67x
    Viewfinder Resolution 1746k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 614k dots
    LCD Attachment Swivel screen
    V-logging Friendliness Front-flip possible
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing Aidno Peaking Feature
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 6 shutter flaps/s
    Shutter Life Expectancy200 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Fill Flash Built-in Flash
    Storage Medium SDXC cards
    Single or Dual Card Slots Single card slot
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 2.0
    HDMI Port mini HDMI
    Microphone Port External MIC port
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type DMW-BLF19 power pack
    Battery Life (CIPA)540 shots per charge
    Body Dimensions 133 x 93 x 82 mm
    (5.2 x 3.7 x 3.2 in)
    Camera Weight 550 g (19.4 oz)

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