What is the pixel pitch of the Panasonic GX7?
The Panasonic Lumix DMC-GX7 provides 15.8 megapixels from a Four Thirds sensor. This pixel density gives rise to a size of the individual pixel of 3.77µm.
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 Panasonic GX7 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 GX7 has 4 592 horizontal pixels and 3 448 vertical pixels, for a total of 15.8 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 (15 833 216).
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.
Sensor specs and performance
The table below compares the sensor specs of the Panasonic GX7 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.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Panasonic GX7 | Four Thirds | 15.8 | 4592 | 3448 | 1080/60p | 22.6 | 12.2 | 718 | 70 | |
2. | Olympus E-M10 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.3 | 884 | 72 | |
3. | Olympus E-P5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.4 | 895 | 72 | |
4. | Olympus E-PL7 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.7 | 12.4 | 873 | 72 | |
5. | Panasonic G5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 21.4 | 11.6 | 618 | 61 | |
6. | Panasonic G6 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 21.3 | 11.5 | 639 | 61 | |
7. | Panasonic G85 | Four Thirds | 15.8 | 4592 | 3448 | 4K/30p | 22.8 | 12.5 | 656 | 71 | |
8. | Panasonic GH2 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60i | 21.2 | 11.3 | 655 | 60 | |
9. | Panasonic GM5 | Four Thirds | 15.8 | 4592 | 3448 | 1080/60p | 22.1 | 11.7 | 721 | 66 | |
10. | Panasonic GX8 | Four Thirds | 20.2 | 5184 | 3888 | 4K/30p | 23.5 | 12.6 | 806 | 75 | |
11. | Panasonic GX85 | Four Thirds | 15.8 | 4592 | 3448 | 4K/30p | 22.9 | 12.6 | 662 | 71 |
Further information on the sensor in the Panasonic GX7 and the camera's operation can be found in the camera manual.
In the United States, the GX7 was initially launched in August 2013 at a price of $999.
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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- Panasonic G95 vs Panasonic GX7
- Panasonic GH5s vs Panasonic GX7
Camera Model | Panasonic GX7 | |
---|---|---|
Camera Type | Mirrorless system camera | |
Camera Lens | Micro Four Thirds lenses | |
Launch Date | August 2013 | |
Launch Price | USD 999 | |
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 | 15.8 Megapixels | |
Image Resolution | 4 592 x 3 448 pixels | |
Pixel Pitch | 3.77 μm | |
Pixel Density | 7.04 MP/cm2 | |
Moiré control | Anti-Alias filter | |
Movie Capability | 1080/60p Video | |
ISO Setting | 125 - 25 600 ISO | |
Image Processor | Venus | |
DXO Sensor Quality (score) | 70 | |
DXO Color Depth (bits) | 22.6 | |
DXO Dynamic Range (EV) | 12.2 | |
DXO Low Light (ISO) | 718 | |
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 | 1040k dots | |
LCD Attachment | Tilting screen | |
V-logging Friendliness | No front-flip | |
Touch Input | Touchscreen | |
Shooting Specs | ||
Focus System | Contrast-detect AF | |
Manual Focusing Aid | Focus Peaking | |
Maximum Shutter Speed | 1/8000s | |
Continuous Shooting | 5 shutter flaps/s | |
Shutter Life Expectancy | 100 000 actuations | |
Silent Shooting | Electronic Shutter | |
Time Lapse Photography | Intervalometer Built-in | |
Image Stabilization | In-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 | mini HDMI | |
Wifi Support | Wifi built-in | |
Near-Field Communication | NFC built-in | |
Body Specs | ||
Battery Type | Panasonic DMW-BLG10 power pack | |
Battery Life (CIPA) | 350 shots per charge | |
Body Dimensions |
123 x 71 x 55 mm (4.8 x 2.8 x 2.2 in) |
|
Camera Weight | 402 g (14.2 oz) |
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