How much dynamic range does the Nikon D40 offer?

According to measurements carried out by DXO Mark, the sensor in the Nikon D40 provides a maximum of 11.0 EV of dynamic range (DR). DR is defined as the ratio between the highest and lowest brightness a camera can capture. A value of 12 EV or above is considered excellent.

High dynamic range of a camera sensor is particularly desirable for scenes with a mix of very bright and very dark parts, such as in some landscape photography settings. It helps to avoid that highlights get washed out or that detail in shadows is lost.

Sensor specs and performance

The table below compares the sensor specs of the Nikon D40 to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better). In addition to dynamic range (DXO Landscape), the listing also covers color depth (DXO Portrait) 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 D40	APS-C	6.0	3008	2000	none	21.0	11.0	561	56
2.		Nikon D40X	APS-C	10.0	3872	2592	none	22.4	11.4	516	63
3.		Nikon D50	APS-C	6.0	3008	2000	none	20.9	10.8	560	55
4.		Nikon D70s	APS-C	6.0	3008	2000	none	20.4	10.3	529	50
5.		Nikon D80	APS-C	10.0	3872	2592	none	22.1	11.2	524	61
6.		Nikon D3000	APS-C	10.0	3872	2592	none	22.3	11.1	563	62
7.		Nikon D3100	APS-C	14.2	4608	3072	1080/24p	22.5	11.3	919	67
8.		Nikon D3200	APS-C	24.1	6016	4000	1080/30p	24.1	13.2	1131	81
9.		Nikon D3300	APS-C	24.0	6000	4000	1080/60p	24.3	12.8	1385	82
10.		Nikon D3400	APS-C	24.0	6000	4000	1080/60p	24.8	13.9	1192	86
11.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55

In the United States, the D40 was initially launched in November 2006 at a price of $499.

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Camera to camera comparisons

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