What is the crop factor of the Leica Digilux 3?

The Leica Digilux 3 is equipped with a Four Thirds sensor, whose diagonal measures 21.6mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 2.0.

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 2.0, the sensor in the Leica Digilux 3 is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Leica Digilux 3 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 25mm lens on the Leica Digilux 3 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (25mm * 2.0 = 50mm).

Sensor specs and performance

The table below compares the sensor specs of the Leica Digilux 3 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.		Leica Digilux 3	Four Thirds	7.4	3136	2352	none	21.0	10.6	127	53
2.		Canon 30D	APS-C	8.2	3504	2336	none	21.5	10.8	736	59
3.		Canon 350D	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
4.		Leica M8	APS-H	10.4	3936	2630	none	21.1	11.3	663	59
5.		Leica Q Typ 116	Full Frame	24.0	6000	4000	1080/60p	24.3	12.7	2221	85
6.		Leica V-LUX 1	1/1.8	10.0	3648	2736	480/30p	18.4	9.5	-727	29
7.		Olympus E-300	Four Thirds	8.0	3264	2448	none	20.4	10.1	-40	48
8.		Olympus E-330	Four Thirds	7.4	3136	2352	none	20.8	10.4	73	52
9.		Olympus E-500	Four Thirds	8.0	3264	2448	none	20.7	10.3	45	51
10.		Panasonic L1	Four Thirds	7.4	3136	2352	none	20.8	10.4	80	52
11.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the Digilux 3 was initially launched in September 2006 at a price of $1,499.

Check Digilux 3 offers at
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Camera to camera comparisons

In case you would like to check on the differences and similarities with other camera models, just make a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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