The MX6 has a 12 - megapixel Sony IMX386 sensor, which has an f / 2.0 aperture, and a 1.25 micron pixel size with phase detection autofocus. (digitaltrends.com)
In fact, the 12MP primary camera on the rear uses a large 1.25 micron pixel size on its sensor. (themrphone.com)
The primary lens has a f / 2.0 aperture, 1.4 - micron pixel size while the secondary lens comes with f / 2.2 aperture and a 120 - degree field of view. (indianexpress.com)