How many Megapixels does the Pentax WG-90 have?

The Pentax WG-90 is equipped with a a 1/2.3-inch sensor that offers an image resolution of 15.9 megapixels (MP), or 15.9 million pixels. With its native aspect ratio of 4:3, the sensor has 4 608 horizontal pixels and 3 456 vertical pixels.

A 35mm film slide or negative contains 5-15 MP of useful detail, so that the Pentax WG-90 can be considered to be a high-resolution camera that outresolves any 35mm film camera.

A high megapixel count makes it possible to crop any captured image substantially or to make very large prints from the image file. On the downside, large megapixel files are slower to transfer and take up more storage space on the computer harddisk. Also, high-resolution imaging requires sharper, more expensive lenses than low-res picture taking.

How large can I print with 15.9 MP?

The maximum print size of the Pentax WG-90 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. Few people actually print their images that large on a regular basis, but it is nice to have the option to make very large prints of exceptional shots. Also, as mentioned earlier, a key advantage of high-MP cameras is that it is possible to crop an image ex-post and thereby, for example, change the composition of the capture or zoom in on some detail.

Sensor specs and performance

The table below compares the sensor specs of the Pentax WG-90 to those of several similar cameras. In addition to sensor class and megapixel count, DXO values are reported as indicators of the sensor's imaging quality (higher is better). Three aspects are covered: 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 WG-90	1/2.3	15.9	4608	3456	1080/60p	20.9	12.8	1570	54
2.		Canon SX600	1/2.3	15.9	4608	3456	1080/30p	20.0	11.4	620	45
3.		Canon SX610	1/2.3	20.2	5184	3888	1080/30p	20.2	11.6	712	47
4.		Canon SX620	1/2.3	20.2	5184	3888	1080/30p	20.4	11.8	838	49
5.		Fujifilm XP120	1/2.3	15.9	4608	3456	1080/60p	20.5	11.9	900	49
6.		Fujifilm XP130	1/2.3	15.9	4608	3456	1080/60p	20.6	12.1	1000	51
7.		Fujifilm XP140	1/2.3	15.9	4608	3456	4K/15p	20.7	12.2	1102	52
8.		Nikon L840	1/2.3	15.9	4608	3456	1080/60i	20.2	11.6	721	47
9.		Nikon W300	1/2.3	15.9	4608	3456	4K/30p	20.5	12.0	938	50
10.		Ricoh WG-60	1/2.3	15.9	4608	3456	1080/60p	20.6	12.2	1072	51
11.		Sony WX800	1/2.3	18.0	4896	3672	4K/30p	20.6	12.2	1070	51
Note: DXO values in italics represent estimates based on sensor size and age.

In the United States, the WG-90 was initially launched in November 2023 at a price of $279.

Check WG-90 price at
amazon.com

Camera to camera comparisons

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