What is the pixel pitch of the Sony HX99?

The Sony Cyber-shot DSC-HX99 provides 18 megapixels from a 1/2.3-inch sensor. This pixel density gives rise to a size of the individual pixel of 1.25µm.

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 Sony HX99 measures 6.17mm in width and 4.55mm in height, so that the total imaging area of the sensor amounts to 28 mm². Moreover, the HX99 has 4 896 horizontal pixels and 3 672 vertical pixels, for a total of 18 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 (28 mm²) to the MP count (17 978 112).

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 Sony HX99 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.

Sensor Characteristics

#		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Sony HX99	1/2.3	18.0	4896	3672	4K/30p	20.6	12.1	1058	51
2.		Canon SX740	1/2.3	20.2	5184	3888	4K/30p	20.6	12.1	1050	51
3.		Canon SX70	1/2.3	20.2	5184	3888	4K/30p	20.6	12.1	1063	51
4.		Canon SX730	1/2.3	20.2	5184	3888	1080/60p	20.5	11.9	924	50
5.		Nikon A1000	1/2.3	15.9	4608	3456	4K/30p	20.7	12.2	1095	52
6.		Nikon W300	1/2.3	15.9	4608	3456	4K/30p	20.5	12.0	938	50
7.		Panasonic ZS70	1/2.3	20.2	5184	3888	4K/30p	19.1	10.6	106	36
8.		Sony HX95	1/2.3	18.0	4896	3672	4K/30p	20.6	12.1	1057	51
9.		Sony WX800	1/2.3	18.0	4896	3672	4K/30p	20.6	12.2	1070	51
10.		Sony HX90V	1/2.3	18.0	4896	3672	1080/60p	20.2	11.6	738	47
11.		Sony HX400V	1/2.3	20.2	5184	3888	1080/60p	20.1	11.4	629	45
Note: DXO values in italics represent estimates based on sensor size and age.

Further information on the sensor in the Sony HX99 and the camera's operation can be found in the camera manual.

In the United States, the HX99 was initially launched in August 2018 at a price of $449.

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Camera to camera comparisons

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