What is the crop factor of the Nikon D5000?

The Nikon D5000 is equipped with an APS-C sensor, whose diagonal measures 28.4mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 1.5.

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 1.5, the sensor in the Nikon D5000 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Nikon D5000 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 33mm lens on the Nikon D5000 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (33mm * 1.5 = 50mm).

Sensor specs and performance

The table below compares the sensor specs of the Nikon D5000 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.		Nikon D5000	APS-C	12.2	4288	2848	720/24p	22.7	12.5	868	72
2.		Canon XSi	APS-C	12.2	4272	2848	none	21.9	10.8	692	61
3.		Nikon D40X	APS-C	10.0	3872	2592	none	22.4	11.4	516	63
4.		Nikon D60	APS-C	10.0	3872	2592	none	22.5	11.4	562	65
5.		Nikon D80	APS-C	10.0	3872	2592	none	22.1	11.2	524	61
6.		Nikon D90	APS-C	12.2	4288	2848	720/24p	22.7	12.5	977	73
7.		Nikon D3000	APS-C	10.0	3872	2592	none	22.3	11.1	563	62
8.		Nikon D3100	APS-C	14.2	4608	3072	1080/24p	22.5	11.3	919	67
9.		Nikon D5100	APS-C	16.1	4928	3264	1080/30p	23.5	13.6	1183	80
10.		Nikon D5200	APS-C	24.0	6000	4000	1080/60i	24.2	13.9	1284	84
11.		Nikon D5600	APS-C	24.0	6000	4000	1080/60p	24.1	14.0	1306	84

In the United States, the D5000 was initially launched in April 2009 at a price of $749.

Check D5000 offers at
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Camera to camera comparisons

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