What is the crop factor of the Sony HX90V?

The Sony Cyber-shot DSC-HX90V is equipped with a 1/2.3-inch sensor, whose diagonal measures 7.7mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 5.6.

The crop factor is defined as the ratio of the 35mm full-frame film diagonal to the diagonal of a digital sensor. This number indicates how a lens behaves in relation to the size of the image sensor.

Sensor size comparison with a film slide

With a crop factor of 5.6, the sensor in the Sony HX90V is smaller than the receptor area of a 35mm film slide or negative. As a result, the lens that is attached to the Sony HX90V will offer a narrower angle of view and provide deeper depth of field than a lens of similar focal length and aperture on a film camera. The equivalent focal length is obtained by multiplying the actual focal length of the lens with the crop factor. For example, a 9mm lens on the Sony HX90V will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (9mm * 5.6 = 50mm).

Sensor specs and performance

The table below compares the sensor specs of the Sony HX90V 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 HX90V	1/2.3	18.0	4896	3672	1080/60p	20.2	11.6	738	47
2.		Canon SX720	1/2.3	20.2	5184	3888	1080/60p	20.3	11.8	817	48
3.		Kodak AZ901	1/2.3	20.2	5184	3888	1080/30p	20.3	11.7	806	48
4.		Sony HX80	1/2.3	18.0	4896	3672	1080/60p	20.4	11.8	822	48
5.		Sony HX95	1/2.3	18.0	4896	3672	4K/30p	20.6	12.1	1057	51
6.		Sony HX99	1/2.3	18.0	4896	3672	4K/30p	20.6	12.1	1058	51
7.		Sony HX350	1/2.3	19.9	5152	3864	1080/60p	20.5	11.9	896	49
8.		Sony HX400V	1/2.3	20.2	5184	3888	1080/60p	20.1	11.4	629	45
9.		Sony RX100 IV	1-inch	20.0	5472	3648	4K/30p	22.8	12.6	591	70
10.		Sony RX100 V	1-inch	20.0	5472	3648	4K/30p	22.8	12.4	586	70
11.		Sony WX800	1/2.3	18.0	4896	3672	4K/30p	20.6	12.2	1070	51
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the HX90V was initially launched in April 2015 at a price of $429.

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Camera to camera comparisons

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