Aspherical Lenses and Cylindrical Lenses
Ⅰ. Understand aspheric lensThe aspheric lens has a better radius of curvature and can maintain good aberration correction to obtain the required performance. The application of aspheric lenses brings...
Understanding Apochromatic Lens and Its Applications
Introduction to Apochromatic LensA apochromatic lens can be defined as a lens made up of two different types of lenses with different focal lengths that cancel out apochromatic or color distortion. Ch...
Why Use Apochromatic Lens?
Apochromatic lenses are most commonly used in the form of doublet lenses. A doublet lens is made up of a pair of eyeglasses – one concave and the other convex. The concave element is made of flint gl...