What is the sensor size of the Pentax K-3 II?

The Pentax K-3 II is a digital camera that has an APS-C sensor at its core. This imager measures 23.5mm in width and 15.6mm in height, so that the total imaging area of the sensor amounts to 367 mm².

The K-3 II provides an image resolution of 24.1 megapixels, based on 6 016 horizontal pixels and 4 000 vertical pixels.

Sensor size comparison with a film slide

The sensor diagonal measures 28.2mm, which gives rise to a format factor (or crop factor) of 1.5. Hence, the Pentax K-3 II is a crop-sensor camera, as its sensor is smaller than a traditional 35mm film slide or negative.

Sensor specs and performance

The table below compares the sensor specs of the Pentax K-3 II 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.		Pentax K-3 II	APS-C	24.1	6016	4000	1080/60i	23.6	13.6	1106	80
2.		Canon 80D	APS-C	24.0	6000	4000	1080/60p	23.6	13.2	1135	79
3.		Nikon D7200	APS-C	24.0	6000	4000	1080/60p	24.5	14.6	1333	87
4.		Panasonic GX8	Four Thirds	20.2	5184	3888	4K/30p	23.5	12.6	806	75
5.		Pentax K-3	APS-C	24.1	6016	4000	1080/60i	23.7	13.4	1216	80
6.		Pentax K-3 III	APS-C	25.6	6192	4128	4K/30p	24.2	13.7	2083	85
7.		Pentax K-5	APS-C	16.1	4928	3264	1080/25p	23.7	14.1	1162	82
8.		Pentax K-5 II	APS-C	16.1	4928	3264	1080/25p	23.8	14.1	1235	82
9.		Pentax K-70	APS-C	24.0	6000	4000	1080/60i	23.8	13.1	1639	80
10.		Pentax KP	APS-C	24.1	6016	4000	1080/60i	23.9	13.2	1699	81
11.		Pentax K-S2	APS-C	20.0	5472	3648	1080/30p	23.6	12.9	1514	79
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the K-3 II was initially launched in April 2015 at a price of $1,099.

Check K-3 II offers at
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Camera to camera comparisons

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