PMMA HDPE rectangular linear fresnel lens
USD $0.5 - $100 /Piece
Min.Order:1 Piece
Jilin Tianhua Opto-Electrical Technology Development Co., Ltd.
Fresnel lenses can capture more oblique light from a light source, thus allowing the light from a lighthouse equipped with one to be visible over greater distances. In modern times,computer-controlled milling equipment (CNC)might be used to manufacture more complex lenses.