What is the sensor size of the Sony A77 II?

The Sony Alpha SLT-A77 II is a digital camera that has an APS-C sensor at its core. This imager measures 23.5mm in width and 15.6mm in height, so that the total imaging area of the sensor amounts to 367 mm².

The A77 II provides an image resolution of 24 megapixels, based on 6 000 horizontal pixels and 4 000 vertical pixels.

Sensor size comparison with a film slide

The sensor diagonal measures 28.2mm, which gives rise to a format factor (or crop factor) of 1.5. Hence, the Sony A77 II is a crop-sensor camera, as its sensor is smaller than a traditional 35mm film slide or negative.

Sensor specs and performance

The table below compares the sensor specs of the Sony A77 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 A77 II	APS-C	24.0	6000	4000	1080/60p	24.4	13.4	1013	82
2.		Nikon D7100	APS-C	24.0	6000	4000	1080/60p	24.2	13.7	1256	83
3.		Nikon D7200	APS-C	24.0	6000	4000	1080/60p	24.5	14.6	1333	87
4.		Pentax K-3	APS-C	24.1	6016	4000	1080/60i	23.7	13.4	1216	80
5.		Pentax K-3 II	APS-C	24.1	6016	4000	1080/60i	23.6	13.6	1106	80
6.		Sony A7 II	Full Frame	24.0	6000	4000	1080/60p	24.9	13.6	2449	90
7.		Sony A58	APS-C	19.8	5456	3632	1080/60i	23.3	12.5	753	74
8.		Sony A68	APS-C	24.0	6000	4000	1080/60i	24.1	13.5	701	79
9.		Sony A77	APS-C	24.0	6000	4000	1080/60p	24.0	13.2	801	78
10.		Sony A6500	APS-C	24.0	6000	4000	4K/30p	24.5	13.7	1405	85
11.		Sony A6600	APS-C	24.0	6000	4000	4K/30p	23.8	13.4	1497	82

In the United States, the A77 II was initially launched in May 2014 at a price of $1,199.

Check A77 II offers at
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Camera to camera comparisons

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