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What is the crop factor of the Olympus E-M10?

The Olympus OM-D E-M10 is equipped with a Four Thirds sensor, whose diagonal measures 21.6mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 2.0.

The crop factor is defined as the ratio of the 35mm full-frame film diagonal to the diagonal of a digital sensor. This number indicates how a lens behaves in relation to the size of the image sensor.

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Sensor size comparison with a film slide

With a crop factor of 2.0, the sensor in the Olympus E-M10 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Olympus E-M10 will offer a narrower angle of view and provide deeper depth of field than a lens of similar focal length and aperture on a film camera. The equivalent focal length is obtained by multiplying the actual focal length of the lens with the crop factor. For example, a 25mm lens on the Olympus E-M10 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (25mm * 2.0 = 50mm).

Olympus E-M10 and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Olympus E-M10 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-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
2.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
3.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
4.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
5.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
6.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
7.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
8.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
9.
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
10.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
11.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
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-M10 and the camera's operation can be found in the camera manual.

In the United States, the E-M10 was initially launched in January 2014 at a price of $699.

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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, 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-M10
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date January 2014
    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 15.9 Megapixels
    Image Resolution 4 608 x 3 456 pixels
    Pixel Pitch 3.76 μm
    Pixel Density 7.08 MP/cm2
    Moiré control no AA filter
    Movie Capability 1080/30p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor TruePic VII
    DXO Sensor Quality (score) 72
    DXO Color Depth (bits) 22.8
    DXO Dynamic Range (EV) 12.3
    DXO Low Light (ISO) 884
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.58x
    Viewfinder Resolution 1440k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1037k dots
    LCD Attachment Tilting screen
    V-logging Friendliness No front-flip
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 8 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    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
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Wifi Support Wifi built-in
    Body Specs
    Battery Type Olympus BLS-5 power pack
    Battery Life (CIPA)320 shots per charge
    Body Dimensions 119 x 82 x 46 mm
    (4.7 x 3.2 x 1.8 in)
    Camera Weight 396 g (14.0 oz)

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