What is the crop factor of the Canon 300D?

The Canon EOS 300D is equipped with an APS-C sensor, whose diagonal measures 27.3mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 1.6.

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 1.6, the sensor in the Canon 300D is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Canon 300D 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 31mm lens on the Canon 300D will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (31mm * 1.6 = 50mm).

Sensor specs and performance

The table below compares the sensor specs of the Canon 300D 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 300D	APS-C	6.3	3072	2048	none	21.0	10.8	544	55
2.		Canon 10D	APS-C	6.3	3072	2048	none	21.1	10.9	571	57
3.		Canon 20D	APS-C	8.2	3504	2336	none	21.9	11.0	721	62
4.		Canon 77D	APS-C	24.0	6000	4000	1080/60p	23.6	13.3	971	78
5.		Canon 350D	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
6.		Canon 400D	APS-C	10.1	3888	2592	none	22.1	11.0	664	62
7.		Canon 650D	APS-C	17.9	5184	3456	1080/30p	21.7	11.2	722	62
8.		Canon 700D	APS-C	17.9	5184	3456	1080/30p	21.7	11.2	681	61
9.		Canon G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
10.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
11.		Nikon D70	APS-C	6.0	3008	2000	none	20.4	10.3	529	50

In the United States, the 300D was initially launched in August 2003 at a price of $899.

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Camera to camera comparisons

In case you are interested in seeing how this camera compares to another one, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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