What is the crop factor of the Panasonic LX100?

The Panasonic Lumix DMC-LX100 is equipped with a Four Thirds sensor, whose diagonal measures 19.6mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 2.2.

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 2.2, the sensor in the Panasonic LX100 is smaller than the receptor area of a 35mm film slide or negative. As a result, the lens that is attached to the Panasonic LX100 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 23mm lens on the Panasonic LX100 will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (23mm * 2.2 = 50mm).

Sensor specs and performance

The table below compares the sensor specs of the Panasonic LX100 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.		Panasonic LX100	Four Thirds	12.7	4112	3088	4K/30p	22.3	12.5	553	67
2.		Canon G5 X	1-inch	20.0	5472	3648	1080/60p	21.4	12.3	471	62
3.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
4.		Fujifilm X30	2/3	12.0	4000	3000	1080/60p	20.4	11.2	-312	49
5.		Panasonic LX100 II	Four Thirds	16.8	4736	3552	4K/30p	22.8	12.7	979	72
6.		Panasonic FZ1000	1-inch	20.0	5472	3648	4K/30p	22.1	11.7	517	64
7.		Panasonic GM5	Four Thirds	15.8	4592	3448	1080/60p	22.1	11.7	721	66
8.		Panasonic G6	Four Thirds	15.9	4608	3456	1080/60p	21.3	11.5	639	61
9.		Panasonic GH1	Four Thirds	12.0	4000	3000	1080/24p	21.6	11.6	772	64
10.		Sony RX100 IV	1-inch	20.0	5472	3648	4K/30p	22.8	12.6	591	70
11.		Sony RX100 III	1-inch	20.0	5472	3648	1080/60p	22.4	12.3	495	67
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the LX100 was initially launched in September 2014 at a price of $899.

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Camera to camera comparisons

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