What is the pixel pitch of the Panasonic LX7?
The Panasonic Lumix DMC-LX7 provides 10 megapixels from a 1/1.7-inch sensor. This pixel density gives rise to a size of the individual pixel of 2.05µm.
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 LX7 measures 7.44mm in width and 5.58mm in height, so that the total imaging area of the sensor amounts to 42 mm2. Moreover, the LX7 has 3 648 horizontal pixels and 2 736 vertical pixels, for a total of 10 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 (42 mm2) to the MP count (9 980 928).
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 LX7 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.
|8.||Panasonic GF5||Four Thirds||12.0||4000||3000||1080/60i||21.4||11.6||618||61|
|9.||Panasonic G3||Four Thirds||15.8||4592||3448||1080/60i||21.0||10.6||667||56|
|10.||Panasonic GF3||Four Thirds||12.0||4000||3000||1080/60i||20.6||10.0||458||49|
|Note: DXO values in italics represent estimates based on sensor size and age.|
In the United States, the LX7 was initially launched in July 2012 at a price of $499.
Camera to camera comparisons
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|Camera Model||Panasonic LX7|
|Camera Type||Fixed lens compact camera|
|Camera Lens||24-90mm f/1.4-2.3|
|Launch Date||July 2012|
|Launch Price||USD 499|
|Sensor Format||1/1.7" Sensor|
|Sensor Size||7.44 x 5.58 mm|
|Sensor Area||42 mm2|
|Sensor Diagonal||9.3 mm|
|Sensor Resolution||10 Megapixels|
|Image Resolution||3 648 x 2 736 pixels|
|Pixel Pitch||2.05 μm|
|Pixel Density||24.04 MP/cm2|
|Moiré control||Anti-Alias filter|
|Movie Capability||1080/60p Video|
|ISO Setting||80 - 6 400 ISO|
|ISO Boost||80 - 12 800 ISO|
|DXO Sensor Quality (score)||50|
|DXO Color Depth (bits)||20.7|
|DXO Dynamic Range (EV)||11.7|
|DXO Low Light (ISO)||147|
|Viewfinder Type||Viewfinder optional|
|Top-Level Screen||no Top Display|
|LCD Framing||Live View|
|LCD Size||3.0 inch|
|LCD Resolution||920k dots|
|LCD Attachment||Fixed screen|
|Touch Input||No touchscreen|
|Focus System||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature|
|Maximum Shutter Speed||1/4000s|
|Continuous Shooting||11 shutter flaps/s|
|Silent Shooting||no E-Shutter|
|Time Lapse Photography||Intervalometer Built-in|
|Fill Flash||Built-in Flash|
|Storage Medium||SDXC cards|
|Single or Dual Card Slots||Single card slot|
|UHS card support||no|
|USB Connector||USB 2.0|
|HDMI Port||mini HDMI|
|Wifi Support||no Wifi|
|Battery Type||DMW-BCJ13 power pack|
|Battery Life (CIPA)||330 shots per charge|
111 x 68 x 46 mm
(4.4 x 2.7 x 1.8 in)
|Camera Weight||298 g (10.5 oz)|
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