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What is the pixel pitch of the Olympus E-620?

The Olympus E-620 provides 12.2 megapixels from a Four Thirds sensor. This pixel density gives rise to a size of the individual pixel of 4.29µm.

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 Olympus E-620 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 E-620 has 4 032 horizontal pixels and 3 024 vertical pixels, for a total of 12.2 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 (12 192 768).

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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.

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Sensor specs and performance

The table below compares the sensor specs of the Olympus E-620 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.
 
Olympus E-620 Four Thirds 12.2 4032 3024none21.310.353655
2.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
3.
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256
4.
 
Olympus E-600 Four Thirds 12.2 4032 3024none21.510.354155
5.
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655
6.
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556
7.
 
Olympus E-30 Four Thirds 12.2 4032 3024none21.310.453055
8.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
9.
 
Olympus E-520 Four Thirds 10.0 3648 2736none21.410.454855
10.
 
Olympus E-410 Four Thirds 10.0 3648 2736none21.110.049451
11.
 
Olympus E-510 Four Thirds 10.0 3648 2736none21.210.044252
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Further information on the sensor in the Olympus E-620 and the camera's operation can be found in the camera manual.

In the United States, the E-620 was initially launched in February 2009 at a price of $699.

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Check E-620 offers at
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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, just make your choice using the following search menu. 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 Olympus E-620
    Camera Type Digital single lens reflex
    Camera Lens Four Thirds lenses
    Launch Date February 2009
    Launch Price USD 699
    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 12.2 Megapixels
    Image Resolution 4 032 x 3 024 pixels
    Pixel Pitch 4.29 μm
    Pixel Density 5.42 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability no Video
    ISO Setting 100 - 3 200 ISO
    Image Processor TruePic III+
    DXO Sensor Quality (score) 55
    DXO Color Depth (bits) 21.3
    DXO Dynamic Range (EV) 10.3
    DXO Low Light (ISO) 536
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.48x
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 2.7 inch
    LCD Resolution 230k dots
    LCD Attachment Swivel screen
    V-logging Friendliness Front-flip possible
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing Aidno Peaking Feature
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 4 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse Photographyno Intervalometer
    Image StabilizationIn-body stabilization
    Fill Flash Built-in Flash
    Storage Medium CF or XD cards
    Single or Dual Card Slots Dual card slots
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port no HDMI
    Wifi Support no Wifi
    Body Specs
    Battery Type Olympus BLS-1 power pack
    Battery Life (CIPA)500 shots per charge
    Body Dimensions 130 x 94 x 60 mm
    (5.1 x 3.7 x 2.4 in)
    Camera Weight 521 g (18.4 oz)

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