13 Ago Fresnel Lens Magnifier, Diameter 150mm 5.9, Focal Length 140mm, Acrylic Lens …
(Focal Length 140mm). Six Seasons is a Professional Manufacturer of Fresnel Lens and Optical Lens. Thickness:2mm, Material: PMMA (Acrylic). High Light Transmittance, High Efficiency in Focusing, High Precision....