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What is the crop factor of the Panasonic GX9?

The Panasonic Lumix DC-GX9 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 GX9 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Panasonic GX9 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 GX9 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 GX9 and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Panasonic GX9 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 GX9 Four Thirds 20.2 5184 38884K/30p23.112.8116374
2.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
3.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
5.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
6.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p23.213.0127375
7.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
8.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
9.
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
10.
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p22.812.797972
11.
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p22.012.244964
Note: DXO values in italics represent estimates based on sensor size and age.
Further information on the sensor in the Panasonic GX9 and the camera's operation can be found in the camera manual.

In the United States, the GX9 was initially launched in February 2018 at a price of $849.

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Camera to camera comparisons

In case you would like to check on the differences and similarities with other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications Summary
    Camera Model Panasonic GX9
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date February 2018
    Launch Price USD 849
    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/30p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor Venus
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2760k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1240k 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 9 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent ShootingElectronic 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
    Bluetooth Support Bluetooth built-in
    Body Specs
    Battery Type Panasonic DMW-BLG10 power pack
    Battery Life (CIPA)260 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 124 x 72 x 47 mm
    (4.9 x 2.8 x 1.9 in)
    Camera Weight 407 g (14.4 oz)

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