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What is the crop factor of the Panasonic G9?

The Panasonic Lumix DC-G9 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 Panasonic G9 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Panasonic G9 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 Panasonic G9 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (25mm * 2.0 = 50mm).

Panasonic G9 and Credit Card sensor measures

Sensor specs and performance

The table below compares the sensor specs of the Panasonic G9 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 G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
2.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
3.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
4.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
5.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
6.
 
Panasonic GH5s Four Thirds 9.9 3680 27004K/60p23.112.8115474
7.
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p23.112.8116374
8.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
9.
 
Panasonic G85 Four Thirds 15.8 4592 34484K/30p22.812.565671
10.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
11.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
Note: DXO values in italics represent estimates based on sensor size and age.
Further information on the sensor in the Panasonic G9 and the camera's operation can be found in the camera manual.

In the United States, the G9 was initially launched in November 2017 at a price of $1,699.

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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, just make your choice using the following search menu. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications Summary
    Camera Model Panasonic G9
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date November 2017
    Launch Price USD 1 699
    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 20.2 Megapixels
    Image Resolution 5 184 x 3 888 pixels
    Pixel Pitch 3.34 μm
    Pixel Density 8.96 MP/cm2
    Moiré control no AA filter
    Movie Capability 4K/60p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor Venus 10
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.83x
    Viewfinder Resolution 3680k dots
    Top-Level Screen Control Panel
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1040k dots
    LCD Attachment Swivel screen
    V-logging Friendliness Front-flip possible
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/8000s
    Continuous Shooting 20 shutter flaps/s
    Shutter Life Expectancy200 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash no On-Board Flash
    Storage Medium SDXC cards
    Single or Dual Card Slots Dual card slots
    UHS card support Dual UHS-II
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 3.0
    HDMI Port full HDMI
    Microphone Port External MIC port
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type DMW-BLF19 power pack
    Battery Life (CIPA)400 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 137 x 97 x 92 mm
    (5.4 x 3.8 x 3.6 in)
    Camera Weight 658 g (23.2 oz)

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