0.07 in to mm for sale, brand-new and used.

Technical information Focal Length (mm) = 20 Size (mm) : ?162 Groove Pitch (mm) :0.1 Thickness (mm) : 2 Material : PMMA Type : LED LED type Fresnel lens such as magnifiers, lighting equipment, 3D display is being used in a variety of areas. Groove(Prism) on the opposite side condensing (A flat surface condensing) Also we design to use more 3mm Optical PMMA for loner life time and to have 0.5 ~ 1.0mm groove pitch for higher solar concentration.