24 Sep 2019

Aspherical Lens

ɛˈsfɪrɪkəl ˈlɛnz
An aspherical lens is a lens that is not spherical in order to combat spherical aberrations. This increases sharpness, especially at wider apertures and reduces chromatic aberrations. Aspherical lenses are more complicated to manufacture, and with the increased images quality comes a higher price.

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