What is the pixel pitch of the Sony A7 II?

The Sony Alpha A7 II provides 24 megapixels from a full frame sensor. This pixel density gives rise to a size of the individual pixel of 5.97µm.

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 A7 II measures 35.8mm in width and 23.9mm in height, so that the total imaging area of the sensor amounts to 856 mm². Moreover, the A7 II has 6 000 horizontal pixels and 4 000 vertical pixels, for a total of 24 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 (856 mm²) to the MP count (24 000 000).

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 A7 II 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 A7 II	Full Frame	24.0	6000	4000	1080/60p	24.9	13.6	2449	90
2.		Sony A7	Full Frame	24.0	6000	4000	1080/60p	24.8	14.2	2248	90
3.		Sony A7 III	Full Frame	24.0	6000	4000	4K/30p	25.0	14.7	3730	96
4.		Sony A7C	Full Frame	24.0	6000	4000	4K/30p	25.0	14.7	3407	95
5.		Sony A7R	Full Frame	36.2	7360	4912	1080/60p	25.6	14.1	2746	95
6.		Sony A7R II	Full Frame	42.2	7952	5304	4K/30p	26.0	13.9	3434	98
7.		Sony A7R III	Full Frame	42.2	7952	5304	4K/30p	26.0	14.7	3523	100
8.		Sony A7S II	Full Frame	12.0	4240	2832	4K/30p	23.6	13.3	2993	85
9.		Sony A9	Full Frame	24.0	6000	4000	4K/30p	24.9	13.3	3517	92
10.		Sony A9 II	Full Frame	24.0	6000	4000	4K/30p	25.0	14.0	3434	93
11.		Sony A77	APS-C	24.0	6000	4000	1080/60p	24.0	13.2	801	78

Further information on the sensor in the Sony A7 II and the camera's operation can be found in the camera manual.

In the United States, the A7 II was initially launched in November 2014 at a price of $1,999.

Check A7 II offers at
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Camera to camera comparisons

In case you are interested in seeing how this camera compares to another one, just use the search menu below. 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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