Both products are aspheric, and the east and west edges will not be too distorted. So is the refractive index. The main difference is that the functions of the two lenses are different.
PMC ultra-bright lens is a kind of material purification, and it is matched with special Shi Tian A6 film, so as to improve the transparency of the lens, which can reach more than 98% and bring clearer vision.
Remarks: The picture is from the screenshot of official website.
Super-tough lenses are characterized by unbreakable functions. Through the reticular molecular structure, the lens has better impact resistance and can cope with some daily collision scenes.
Remarks: The picture is from the screenshot of official website.
The final choice of lens depends on your usage scene.