PYRON's unique low-cost mini-faceted solar concentrator lens can be mass-produced in thin plastic by high-precision molding and is designed to have an extremely short focal length.

REFRACTIVE

Conventional refractive facets in the central portion. (see left)

REFLECTIVE

At the maximum refractive deflection, reflective facets take over for the outer, short-focusing lens portion. Shown is the maximum, 45° deflection by the outermost, totally internally reflecting facets, in the far corner of the lens.