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What is the pixel pitch of the Olympus E-1?

The Olympus E-1 provides 4.9 megapixels from a Four Thirds sensor. This pixel density gives rise to a size of the individual pixel of 6.78µm.

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-1 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-1 has 2 560 horizontal pixels and 1 920 vertical pixels, for a total of 4.9 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 (4 915 200).

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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-1 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-1 Four Thirds 4.9 2560 1920none20.09.7-14544
2.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
3.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
4.
 
Leica Digilux 3 Four Thirds 7.4 3136 2352none21.010.612753
5.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
6.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
7.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
8.
 
Olympus E-5 Four Thirds 12.2 4032 3024720/30p21.610.551956
9.
 
Olympus E-3 Four Thirds 10.0 3648 2736none21.610.557156
10.
 
Olympus E-330 Four Thirds 7.4 3136 2352none20.810.47352
11.
 
Olympus E-300 Four Thirds 8.0 3264 2448none20.410.1-4048
Note: DXO values in italics represent estimates based on sensor size and age.
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Further information on the sensor in the Olympus E-1 and the camera's operation can be found in the camera manual.

In the United States, the E-1 was initially launched in June 2003 at a price of $1,699.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications Summary
    Camera Model Olympus E-1
    Camera Type Digital single lens reflex
    Camera Lens Four Thirds lenses
    Launch Date June 2003
    Launch Price USD 1 699
    Sensor Specs
    Sensor Technology CCD
    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 4.9 Megapixels
    Image Resolution 2 560 x 1 920 pixels
    Pixel Pitch 6.78 μm
    Pixel Density 2.19 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability no Video
    ISO Setting 100 - 800 ISO
    ISO Boost 100 - 3 200 ISO
    Image Processor TruePic
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.48x
    Top-Level Screen Control Panel
    LCD Size 1.8 inch
    LCD Resolution 134k dots
    LCD Attachment Fixed screen
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing Aidno Peaking Feature
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 3 shutter flaps/s
    Shutter Life Expectancy150 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse Photographyno Intervalometer
    Fill Flash no On-Board Flash
    Storage Medium CF or XD cards
    Single or Dual Card Slots Dual card slots
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 2.0
    HDMI Port no HDMI
    Wifi Support no Wifi
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type BLM-1 power pack
    Battery Life (CIPA)750 shots per charge
    Body Dimensions 141 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 738 g (26.0 oz)

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