What is the crop factor of the Canon 1Ds?

The Canon EOS-1Ds is equipped with a full frame sensor, whose diagonal measures 43.2mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 1.0.

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 1.0, the sensor in the Canon 1Ds has a similar size as a 35mm film slide or negative. As a result, a lens that is attached to the Canon 1Ds will offer the same angle of view and provide the same depth of field as a lens of the same focal length and aperture on a film camera.

Sensor specs and performance

The table below compares the sensor specs of the Canon 1Ds 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.		Canon 1Ds	Full Frame	11.0	4064	2704	none	21.8	11.0	954	63
2.		Canon 1D Mark II	APS-H	8.2	3504	2336	none	22.3	11.1	1003	66
3.		Canon 1D Mark II N	APS-H	8.2	3504	2336	none	22.3	11.2	975	66
4.		Canon 1D Mark III	APS-H	10.1	3888	2592	none	22.7	11.7	1078	71
5.		Canon 1D Mark IV	APS-H	16.0	4896	3264	1080/30p	22.8	12.0	1320	74
6.		Canon 1Ds Mark II	Full Frame	16.6	4992	3328	none	23.3	11.3	1480	74
7.		Canon 1Ds Mark III	Full Frame	21.0	5616	3744	none	24.0	12.0	1663	80
8.		Canon 1D C	Full Frame	17.9	5184	3456	4K/24p	24.3	13.0	2155	85
9.		Canon 1D X Mark II	Full Frame	20.0	5472	3648	4K/60p	24.1	13.5	3207	88
10.		Canon 5D	Full Frame	12.7	4368	2912	none	22.9	11.1	1368	71
11.		Nikon D2Xs	APS-C	12.2	4288	2848	none	22.2	10.9	489	59
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the 1Ds was initially launched in September 2002 at a price of $8,999.

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Camera to camera comparisons

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